From d1aaed0232a3a130dd55b5efd9e9f4881a1d75be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beno=C3=AEt=20Quenaudon?= <benoit@quenaudon.com>
Date: Wed, 11 Sep 2024 14:00:55 +0100
Subject: [PATCH] CompileOnly for the KGP in wire-gradle-plugin

---
 wire-gradle-plugin/build.gradle.kts           | 10 +++-
 .../squareup/wire/gradle/WirePluginTest.kt    | 60 +++++++++++++------
 .../cache-include-paths-1/build.gradle        |  4 +-
 .../cache-include-paths-1/settings.gradle     |  5 --
 .../cache-include-paths-1/settings.gradle.kts | 24 ++++++++
 .../cache-include-paths-2/build.gradle        |  4 +-
 .../cache-include-paths-2/settings.gradle     |  5 --
 .../cache-include-paths-2/settings.gradle.kts | 24 ++++++++
 .../projects/cache-relocation-1/build.gradle  |  4 +-
 .../cache-relocation-1/settings.gradle        |  5 --
 .../cache-relocation-1/settings.gradle.kts    | 24 ++++++++
 .../projects/cache-relocation-2/build.gradle  |  4 +-
 .../cache-relocation-2/settings.gradle        |  5 --
 .../cache-relocation-2/settings.gradle.kts    | 24 ++++++++
 .../build.gradle.kts                          |  4 +-
 .../gradle.properties                         |  1 -
 .../projects/consecutive-runs/build.gradle    |  6 +-
 .../custom-output-no-such-class/build.gradle  |  3 +-
 .../test/projects/custom-output/build.gradle  |  3 +-
 .../customize-configuration/build.gradle      |  3 +-
 .../test/projects/customize-task/build.gradle |  3 +-
 .../projects/different-java-out/build.gradle  |  5 +-
 .../different-kotlin-out/build.gradle         |  6 +-
 .../projects/different-proto-out/build.gradle |  4 +-
 .../build.gradle                              |  4 +-
 .../src/test/projects/dry-run/build.gradle    |  3 +-
 .../projects/emit-java-options/build.gradle   |  4 +-
 .../emit-java-then-emit-kotlin/build.gradle   |  6 +-
 .../emit-kotlin-and-emit-java/build.gradle    |  6 +-
 .../emit-kotlin-and-emit-java/settings.gradle |  0
 .../projects/emit-kotlin-options/build.gradle |  4 +-
 .../emit-kotlin-then-emit-java/build.gradle   |  6 +-
 .../emit-options-with-includes/build.gradle   |  4 +-
 .../build.gradle                              |  4 +-
 .../emit-proto-with-prune/build.gradle        |  4 +-
 .../emit-proto-with-root/build.gradle         |  4 +-
 .../src/test/projects/emit-proto/build.gradle |  4 +-
 .../emit-service-name-suffix/build.gradle     |  4 +-
 .../projects/emit-service-none/build.gradle   |  4 +-
 .../emit-service-two-ways/build.gradle        |  4 +-
 .../test/projects/emit-service/build.gradle   |  6 +-
 .../test/projects/field-prune/build.gradle    |  6 +-
 .../test/projects/field-prunes/build.gradle   |  6 +-
 .../src/test/projects/field-root/build.gradle |  6 +-
 .../test/projects/field-roots/build.gradle    |  4 +-
 .../projects/field-rule-prune/build.gradle    |  6 +-
 .../projects/field-rule-root/build.gradle     |  6 +-
 .../java-project-java-protos/build.gradle     |  7 ++-
 .../java-project-kotlin-protos/build.gradle   |  6 +-
 .../projects/kotlin-enum-mode/build.gradle    |  4 +-
 .../kotlin-multiplatform/build.gradle         |  4 +-
 .../kotlin-multiplatform/gradle.properties    |  1 -
 .../kotlin-multiplatform/settings.gradle      |  0
 .../kotlin-project-java-protos/build.gradle   |  8 +--
 .../kotlin-project-kotlin-protos/build.gradle |  6 +-
 .../kotlinsourcesjar/build.gradle.kts         |  4 +-
 .../listener-no-such-class/build.gradle       |  4 +-
 .../src/test/projects/listener/build.gradle   |  4 +-
 .../missing-kotlin-plugin/build.gradle        |  5 +-
 .../test/projects/missing-plugin/build.gradle |  4 +-
 .../test/projects/move-message/build.gradle   |  4 +-
 .../test/projects/only-version/build.gradle   |  4 +-
 .../test/projects/opaque-message/build.gradle |  4 +-
 .../package-cycles-permitted/build.gradle     |  6 +-
 .../test/projects/package-cycles/build.gradle |  6 +-
 .../dinosaurs/build.gradle                    |  3 +-
 .../geology/build.gradle                      |  3 +-
 .../location/build.gradle                     |  3 +-
 .../settings.gradle                           |  5 --
 .../settings.gradle.kts                       | 24 ++++++++
 .../dinosaurs/build.gradle                    |  3 +-
 .../project-dependencies/geology/build.gradle |  3 +-
 .../location/build.gradle                     |  3 +-
 .../project-dependencies/settings.gradle      |  3 -
 .../project-dependencies/settings.gradle.kts  | 22 +++++++
 .../test/projects/proto-library/build.gradle  |  3 +-
 .../projects/protopath-maven/build.gradle     |  3 +-
 .../test/projects/reject-unused/build.gradle  |  4 +-
 .../test/projects/require-target/build.gradle |  5 +-
 .../test/projects/since-until/build.gradle    |  4 +-
 .../sourceaar-local-protopath/build.gradle    |  3 +-
 .../projects/sourcedir-exclude/build.gradle   |  6 +-
 .../projects/sourcedir-include/build.gradle   |  6 +-
 .../sourcejar-local-many-files/build.gradle   |  3 +-
 .../build.gradle                              |  3 +-
 .../sourcejar-local-single-file/build.gradle  |  3 +-
 .../sourcejar-mixed-conflicts/build.gradle    |  3 +-
 .../sourcejar-remote-many-files/build.gradle  |  3 +-
 .../sourcejar-remote-protopath/build.gradle   |  3 +-
 .../build.gradle                              |  3 +-
 .../settings.gradle                           |  7 ---
 .../settings.gradle.kts                       | 19 ++++++
 .../sourcejar-remote-wildcards/build.gradle   |  3 +-
 .../build.gradle                              |  3 +-
 .../sourcepath-build-dir/build.gradle         |  5 +-
 .../projects/sourcepath-default/build.gradle  |  5 +-
 .../test/projects/sourcepath-dir/build.gradle |  5 +-
 .../projects/sourcepath-file/build.gradle     |  5 +-
 .../sourcepath-maven-single-file/build.gradle |  3 +-
 .../projects/sourcepath-maven/build.gradle    |  3 +-
 .../sourcepath-no-sources/build.gradle        |  5 +-
 .../sourcepath-nonexistent-dir/build.gradle   |  5 +-
 .../build.gradle                              |  3 +-
 .../build.gradle                              |  5 +-
 .../test/projects/sourcepath-uri/build.gradle |  5 +-
 .../sourcetree-many-srcdirs/build.gradle      |  5 +-
 .../build.gradle                              |  5 +-
 .../build.gradle                              |  5 +-
 .../sourcezip-local-protopath/build.gradle    |  3 +-
 .../projects/task-dependency/build.gradle.kts |  4 +-
 110 files changed, 426 insertions(+), 230 deletions(-)
 delete mode 100644 wire-gradle-plugin/src/test/projects/cache-include-paths-1/settings.gradle
 create mode 100644 wire-gradle-plugin/src/test/projects/cache-include-paths-1/settings.gradle.kts
 delete mode 100644 wire-gradle-plugin/src/test/projects/cache-include-paths-2/settings.gradle
 create mode 100644 wire-gradle-plugin/src/test/projects/cache-include-paths-2/settings.gradle.kts
 delete mode 100644 wire-gradle-plugin/src/test/projects/cache-relocation-1/settings.gradle
 create mode 100644 wire-gradle-plugin/src/test/projects/cache-relocation-1/settings.gradle.kts
 delete mode 100644 wire-gradle-plugin/src/test/projects/cache-relocation-2/settings.gradle
 create mode 100644 wire-gradle-plugin/src/test/projects/cache-relocation-2/settings.gradle.kts
 delete mode 100644 wire-gradle-plugin/src/test/projects/emit-kotlin-and-emit-java/settings.gradle
 delete mode 100644 wire-gradle-plugin/src/test/projects/kotlin-multiplatform/gradle.properties
 delete mode 100644 wire-gradle-plugin/src/test/projects/kotlin-multiplatform/settings.gradle
 delete mode 100644 wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/settings.gradle
 create mode 100644 wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/settings.gradle.kts
 delete mode 100644 wire-gradle-plugin/src/test/projects/project-dependencies/settings.gradle
 create mode 100644 wire-gradle-plugin/src/test/projects/project-dependencies/settings.gradle.kts
 delete mode 100644 wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/settings.gradle
 create mode 100644 wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/settings.gradle.kts

diff --git a/wire-gradle-plugin/build.gradle.kts b/wire-gradle-plugin/build.gradle.kts
index 9126c85e3b..9fda2eb409 100644
--- a/wire-gradle-plugin/build.gradle.kts
+++ b/wire-gradle-plugin/build.gradle.kts
@@ -35,14 +35,15 @@ gradlePlugin {
 dependencies {
   compileOnly(gradleApi())
   compileOnly(libs.pluginz.android)
+  compileOnly(libs.pluginz.kotlin)
 
   implementation(projects.wireCompiler)
   implementation(projects.wireKotlinGenerator)
   implementation(libs.swiftpoet)
-  implementation(libs.pluginz.kotlin)
 
   testImplementation(libs.junit)
   testImplementation(libs.assertj)
+  testImplementation(libs.pluginz.kotlin)
   testImplementation(projects.wireTestUtils)
 }
 
@@ -55,6 +56,13 @@ tasks.withType<Test>().configureEach {
   jvmArgs("--add-opens", "java.base/java.util=ALL-UNNAMED")
   dependsOn(installProtoJars)
   dependsOn(":wire-runtime:installLocally")
+  dependsOn(":wire-java-generator:publishAllPublicationsToLocalMavenRepository")
+  dependsOn(":wire-kotlin-generator:publishAllPublicationsToLocalMavenRepository")
+  dependsOn(":wire-swift-generator:publishAllPublicationsToLocalMavenRepository")
+  dependsOn(":wire-schema:publishAllPublicationsToLocalMavenRepository")
+  dependsOn(":wire-grpc-client:publishAllPublicationsToLocalMavenRepository")
+  dependsOn(":wire-compiler:publishAllPublicationsToLocalMavenRepository")
+  dependsOn(":wire-gradle-plugin:publishAllPublicationsToLocalMavenRepository")
 }
 
 val test by tasks.getting(Test::class) {
diff --git a/wire-gradle-plugin/src/test/kotlin/com/squareup/wire/gradle/WirePluginTest.kt b/wire-gradle-plugin/src/test/kotlin/com/squareup/wire/gradle/WirePluginTest.kt
index dc8c084d81..e791ef6e87 100644
--- a/wire-gradle-plugin/src/test/kotlin/com/squareup/wire/gradle/WirePluginTest.kt
+++ b/wire-gradle-plugin/src/test/kotlin/com/squareup/wire/gradle/WirePluginTest.kt
@@ -47,7 +47,6 @@ class WirePluginTest {
   @Before
   fun setUp() {
     gradleRunner = GradleRunner.create()
-      .withPluginClasspath()
       // Ensure individual tests are isolated and not reusing each other's previous outputs
       // by setting project dir and gradle home directly.
       .withProjectDir(tmpFolder.newFolder("project-dir"))
@@ -58,6 +57,7 @@ class WirePluginTest {
         "--stacktrace",
         "--info",
         "--configuration-cache",
+        "-PwireVersion=$VERSION",
       )
       .withDebug(true)
   }
@@ -456,7 +456,7 @@ class WirePluginTest {
     val fixtureRoot = File("src/test/projects/project-dependencies-typesafe-accessor")
 
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("generateMainProtos", "--stacktrace", "--info").build()
+      withArguments("generateMainProtos", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(result.task(":dinosaurs:generateMainProtos")?.outcome)
@@ -646,7 +646,7 @@ class WirePluginTest {
     val outputRoot = File(fixtureRoot, "build/generated/source/wire")
 
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("run", "--stacktrace", "--info").build()
+      withArguments("run", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(result.task(":generateMainProtos")).isNotNull()
@@ -660,7 +660,7 @@ class WirePluginTest {
     val outputRoot = File(fixtureRoot, "build/generated/source/wire")
 
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("run", "--stacktrace", "--info").build()
+      withArguments("run", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(result.task(":generateMainProtos")).isNotNull()
@@ -674,7 +674,7 @@ class WirePluginTest {
     val outputRoot = File(fixtureRoot, "build/generated/source/wire")
 
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("run", "--stacktrace", "--info").build()
+      withArguments("run", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(result.task(":generateMainProtos")).isNotNull()
@@ -688,7 +688,7 @@ class WirePluginTest {
     val outputRoot = File(fixtureRoot, "build/generated/source/wire")
 
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("run", "--stacktrace", "--info").build()
+      withArguments("run", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(result.task(":generateMainProtos")).isNotNull()
@@ -701,7 +701,7 @@ class WirePluginTest {
     val fixtureRoot = File("src/test/projects/proto-library")
 
     gradleRunner.runFixture(fixtureRoot) {
-      withArguments("jar", "--stacktrace", "--info").build()
+      withArguments("jar", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     ZipFile(File(fixtureRoot, "build/libs/proto-library.jar")).use {
@@ -729,7 +729,7 @@ class WirePluginTest {
     val outputRoot = File(fixtureRoot, "build/generated/source/wire")
 
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("run", "--stacktrace", "--info").build()
+      withArguments("run", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(result.task(":generateMainProtos")).isNotNull()
@@ -973,6 +973,7 @@ class WirePluginTest {
         "-Dkjs=$kmpJsEnabled",
         "-Dknative=$kmpNativeEnabled",
         "--debug",
+        "-PwireVersion=$VERSION",
       ).build()
     }
 
@@ -1219,7 +1220,7 @@ class WirePluginTest {
     val geologyOutputRoot = File(fixtureRoot, "geology/build/generated/source/wire")
 
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("generateMainProtos", "--stacktrace", "--info").build()
+      withArguments("generateMainProtos", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(result.task(":dinosaurs:generateMainProtos")?.outcome)
@@ -1247,7 +1248,7 @@ class WirePluginTest {
 
     val fixtureRoot = File("src/test/projects/cache-relocation-1")
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("generateProtos", "--build-cache", "--stacktrace", "--info").build()
+      withArguments("generateProtos", "--build-cache", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(result.task(":generateProtos")).isNotNull()
@@ -1261,7 +1262,7 @@ class WirePluginTest {
 
     val relocatedRoot = File("src/test/projects/cache-relocation-2")
     val relocatedResult = gradleRunner.runFixture(relocatedRoot) {
-      withArguments("generateProtos", "--build-cache", "--stacktrace", "--info").build()
+      withArguments("generateProtos", "--build-cache", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(relocatedResult.task(":generateProtos")).isNotNull()
@@ -1284,7 +1285,7 @@ class WirePluginTest {
 
     val fixtureRoot = File("src/test/projects/cache-include-paths-1")
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("generateProtos", "--build-cache", "--stacktrace", "--debug").build()
+      withArguments("generateProtos", "--build-cache", "--stacktrace", "--debug", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(result.task(":generateProtos")).isNotNull()
@@ -1296,7 +1297,7 @@ class WirePluginTest {
     assertThat(buildCacheDir.exists()).isTrue()
 
     val cachedResult = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("generateProtos", "--build-cache", "--stacktrace", "--debug").build()
+      withArguments("generateProtos", "--build-cache", "--stacktrace", "--debug", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(cachedResult.task(":generateProtos")).isNotNull()
@@ -1320,7 +1321,7 @@ class WirePluginTest {
 
     val fixtureRoot = File("src/test/projects/cache-include-paths-1")
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("generateProtos", "--build-cache", "--stacktrace", "--info").build()
+      withArguments("generateProtos", "--build-cache", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(result.task(":generateProtos")).isNotNull()
@@ -1336,7 +1337,7 @@ class WirePluginTest {
     // expect the new task to run again, without using the cache.
     val modifiedFixtureRoot = File("src/test/projects/cache-include-paths-2")
     val modifiedResult = gradleRunner.runFixture(modifiedFixtureRoot) {
-      withArguments("generateProtos", "--build-cache", "--stacktrace", "--debug").build()
+      withArguments("generateProtos", "--build-cache", "--stacktrace", "--debug", "-PwireVersion=$VERSION").build()
     }
 
     assertThat(modifiedResult.task(":generateProtos")).isNotNull()
@@ -1355,7 +1356,7 @@ class WirePluginTest {
     val fixtureRoot = File("src/test/projects/configuration-cache-failure")
 
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("clean", "generateMainProtos", "--stacktrace", "--info").build()
+      withArguments("clean", "generateMainProtos", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
     assertThat(result.task(":generateMainProtos")?.outcome).isEqualTo(TaskOutcome.SUCCESS)
   }
@@ -1365,7 +1366,7 @@ class WirePluginTest {
     val fixtureRoot = File("src/test/projects/kotlinsourcesjar")
 
     gradleRunner.runFixture(fixtureRoot) {
-      withArguments("clean", "kotlinSourcesJar", "--stacktrace", "--info").build()
+      withArguments("clean", "kotlinSourcesJar", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
 
     ZipFile(File(fixtureRoot, "build/libs/kotlinsourcesjar-sources.jar")).use {
@@ -1379,7 +1380,7 @@ class WirePluginTest {
     val outputRoot = File(fixtureRoot, "build/generated/source/wire")
 
     val result = gradleRunner.runFixture(fixtureRoot) {
-      withArguments("clean", "generateMainProtos", "--stacktrace", "--info").build()
+      withArguments("clean", "generateMainProtos", "--stacktrace", "--info", "-PwireVersion=$VERSION").build()
     }
     assertThat(result.task(":generateMainProtos")?.outcome).isEqualTo(TaskOutcome.SUCCESS)
     assertThat(File(outputRoot, "Dinosaur.kt")).exists()
@@ -1391,12 +1392,33 @@ class WirePluginTest {
     action: GradleRunner.() -> BuildResult,
   ): BuildResult {
     var generatedSettings = false
-    val settings = File(root, "settings.gradle")
+    val settings = File(root, "settings.gradle.kts")
     var generatedGradleProperties = false
     val gradleProperties = File(root, "gradle.properties")
     return try {
       if (!settings.exists()) {
         settings.createNewFile()
+        settings.writeText(
+          """
+            |pluginManagement {
+            |  listOf(repositories, dependencyResolutionManagement.repositories).forEach {
+            |    it.apply {
+            |      mavenCentral()
+            |      maven {
+            |        url = uri(rootDir.resolve("../../../../../build/localMaven").absolutePath)
+            |      }
+            |    }
+            |  }
+            |}
+            |
+            |dependencyResolutionManagement {
+            |  versionCatalogs {
+            |    create("libs").from(files(rootDir.resolve("../../../../../gradle/libs.versions.toml").absolutePath))
+            |  }
+            |}
+            |
+          """.trimMargin(),
+        )
         generatedSettings = true
       }
 
diff --git a/wire-gradle-plugin/src/test/projects/cache-include-paths-1/build.gradle b/wire-gradle-plugin/src/test/projects/cache-include-paths-1/build.gradle
index 6199ced0fc..8b4a6192e6 100644
--- a/wire-gradle-plugin/src/test/projects/cache-include-paths-1/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/cache-include-paths-1/build.gradle
@@ -1,6 +1,6 @@
 plugins {
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // This file should be kept in sync with `cache-include-paths-2/build.gradle` with the exception of
diff --git a/wire-gradle-plugin/src/test/projects/cache-include-paths-1/settings.gradle b/wire-gradle-plugin/src/test/projects/cache-include-paths-1/settings.gradle
deleted file mode 100644
index 816593eff6..0000000000
--- a/wire-gradle-plugin/src/test/projects/cache-include-paths-1/settings.gradle
+++ /dev/null
@@ -1,5 +0,0 @@
-buildCache {
-  local {
-    directory = new File(rootDir, '../.cache-include-paths-build-cache')
-  }
-}
diff --git a/wire-gradle-plugin/src/test/projects/cache-include-paths-1/settings.gradle.kts b/wire-gradle-plugin/src/test/projects/cache-include-paths-1/settings.gradle.kts
new file mode 100644
index 0000000000..b5ef8f9e3f
--- /dev/null
+++ b/wire-gradle-plugin/src/test/projects/cache-include-paths-1/settings.gradle.kts
@@ -0,0 +1,24 @@
+buildCache {
+  local {
+    directory = File(rootDir, "../.cache-include-paths-build-cache")
+  }
+}
+
+pluginManagement {
+  listOf(repositories, dependencyResolutionManagement.repositories).forEach {
+    it.apply {
+      mavenCentral()
+      maven {
+        url = uri(rootDir.resolve("../../../../../build/localMaven").absolutePath)
+      }
+    }
+  }
+}
+
+dependencyResolutionManagement {
+  versionCatalogs {
+    create("libs") {
+      from(files(rootDir.resolve("../../../../../gradle/libs.versions.toml").absolutePath))
+    }
+  }
+}
diff --git a/wire-gradle-plugin/src/test/projects/cache-include-paths-2/build.gradle b/wire-gradle-plugin/src/test/projects/cache-include-paths-2/build.gradle
index 5e964d9414..65fdb2a106 100644
--- a/wire-gradle-plugin/src/test/projects/cache-include-paths-2/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/cache-include-paths-2/build.gradle
@@ -1,6 +1,6 @@
 plugins {
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // This file should be kept in sync with `cache-include-paths-1/build.gradle` with the exception of
diff --git a/wire-gradle-plugin/src/test/projects/cache-include-paths-2/settings.gradle b/wire-gradle-plugin/src/test/projects/cache-include-paths-2/settings.gradle
deleted file mode 100644
index 816593eff6..0000000000
--- a/wire-gradle-plugin/src/test/projects/cache-include-paths-2/settings.gradle
+++ /dev/null
@@ -1,5 +0,0 @@
-buildCache {
-  local {
-    directory = new File(rootDir, '../.cache-include-paths-build-cache')
-  }
-}
diff --git a/wire-gradle-plugin/src/test/projects/cache-include-paths-2/settings.gradle.kts b/wire-gradle-plugin/src/test/projects/cache-include-paths-2/settings.gradle.kts
new file mode 100644
index 0000000000..b5ef8f9e3f
--- /dev/null
+++ b/wire-gradle-plugin/src/test/projects/cache-include-paths-2/settings.gradle.kts
@@ -0,0 +1,24 @@
+buildCache {
+  local {
+    directory = File(rootDir, "../.cache-include-paths-build-cache")
+  }
+}
+
+pluginManagement {
+  listOf(repositories, dependencyResolutionManagement.repositories).forEach {
+    it.apply {
+      mavenCentral()
+      maven {
+        url = uri(rootDir.resolve("../../../../../build/localMaven").absolutePath)
+      }
+    }
+  }
+}
+
+dependencyResolutionManagement {
+  versionCatalogs {
+    create("libs") {
+      from(files(rootDir.resolve("../../../../../gradle/libs.versions.toml").absolutePath))
+    }
+  }
+}
diff --git a/wire-gradle-plugin/src/test/projects/cache-relocation-1/build.gradle b/wire-gradle-plugin/src/test/projects/cache-relocation-1/build.gradle
index 4b0e2e2ff2..4e4ab9becb 100644
--- a/wire-gradle-plugin/src/test/projects/cache-relocation-1/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/cache-relocation-1/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // The code in this test project should be identical to
diff --git a/wire-gradle-plugin/src/test/projects/cache-relocation-1/settings.gradle b/wire-gradle-plugin/src/test/projects/cache-relocation-1/settings.gradle
deleted file mode 100644
index 50c8b6035b..0000000000
--- a/wire-gradle-plugin/src/test/projects/cache-relocation-1/settings.gradle
+++ /dev/null
@@ -1,5 +0,0 @@
-buildCache {
-  local {
-    directory = new File(rootDir, '../.relocation-build-cache')
-  }
-}
diff --git a/wire-gradle-plugin/src/test/projects/cache-relocation-1/settings.gradle.kts b/wire-gradle-plugin/src/test/projects/cache-relocation-1/settings.gradle.kts
new file mode 100644
index 0000000000..e47d9a22dc
--- /dev/null
+++ b/wire-gradle-plugin/src/test/projects/cache-relocation-1/settings.gradle.kts
@@ -0,0 +1,24 @@
+buildCache {
+  local {
+    directory = File(rootDir, "../.relocation-build-cache")
+  }
+}
+
+pluginManagement {
+  listOf(repositories, dependencyResolutionManagement.repositories).forEach {
+    it.apply {
+      mavenCentral()
+      maven {
+        url = uri(rootDir.resolve("../../../../../build/localMaven").absolutePath)
+      }
+    }
+  }
+}
+
+dependencyResolutionManagement {
+  versionCatalogs {
+    create("libs") {
+      from(files(rootDir.resolve("../../../../../gradle/libs.versions.toml").absolutePath))
+    }
+  }
+}
diff --git a/wire-gradle-plugin/src/test/projects/cache-relocation-2/build.gradle b/wire-gradle-plugin/src/test/projects/cache-relocation-2/build.gradle
index 05c6cbefb3..fe2e8af0f5 100644
--- a/wire-gradle-plugin/src/test/projects/cache-relocation-2/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/cache-relocation-2/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // The code in this test project should be identical to
diff --git a/wire-gradle-plugin/src/test/projects/cache-relocation-2/settings.gradle b/wire-gradle-plugin/src/test/projects/cache-relocation-2/settings.gradle
deleted file mode 100644
index 50c8b6035b..0000000000
--- a/wire-gradle-plugin/src/test/projects/cache-relocation-2/settings.gradle
+++ /dev/null
@@ -1,5 +0,0 @@
-buildCache {
-  local {
-    directory = new File(rootDir, '../.relocation-build-cache')
-  }
-}
diff --git a/wire-gradle-plugin/src/test/projects/cache-relocation-2/settings.gradle.kts b/wire-gradle-plugin/src/test/projects/cache-relocation-2/settings.gradle.kts
new file mode 100644
index 0000000000..e47d9a22dc
--- /dev/null
+++ b/wire-gradle-plugin/src/test/projects/cache-relocation-2/settings.gradle.kts
@@ -0,0 +1,24 @@
+buildCache {
+  local {
+    directory = File(rootDir, "../.relocation-build-cache")
+  }
+}
+
+pluginManagement {
+  listOf(repositories, dependencyResolutionManagement.repositories).forEach {
+    it.apply {
+      mavenCentral()
+      maven {
+        url = uri(rootDir.resolve("../../../../../build/localMaven").absolutePath)
+      }
+    }
+  }
+}
+
+dependencyResolutionManagement {
+  versionCatalogs {
+    create("libs") {
+      from(files(rootDir.resolve("../../../../../gradle/libs.versions.toml").absolutePath))
+    }
+  }
+}
diff --git a/wire-gradle-plugin/src/test/projects/configuration-cache-failure/build.gradle.kts b/wire-gradle-plugin/src/test/projects/configuration-cache-failure/build.gradle.kts
index 78e5499bb3..6737ee63af 100644
--- a/wire-gradle-plugin/src/test/projects/configuration-cache-failure/build.gradle.kts
+++ b/wire-gradle-plugin/src/test/projects/configuration-cache-failure/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
-  id("com.squareup.wire")
-  id("org.jetbrains.kotlin.jvm") version "1.9.22"
+  id("com.squareup.wire") version("$wireVersion")
+  id("org.jetbrains.kotlin.jvm") version libs.versions.kotlin
 }
 
 val genProtosDir = "$buildDir/generated/proto"
diff --git a/wire-gradle-plugin/src/test/projects/configuration-cache-failure/gradle.properties b/wire-gradle-plugin/src/test/projects/configuration-cache-failure/gradle.properties
index f99878e87a..54ac8d93ab 100644
--- a/wire-gradle-plugin/src/test/projects/configuration-cache-failure/gradle.properties
+++ b/wire-gradle-plugin/src/test/projects/configuration-cache-failure/gradle.properties
@@ -1,4 +1,3 @@
 org.gradle.caching=false
 org.gradle.unsafe.configuration-cache=true
 org.gradle.configuration-cache=true
-VERSION_NAME=5.1.1-SNAPSHOT
diff --git a/wire-gradle-plugin/src/test/projects/consecutive-runs/build.gradle b/wire-gradle-plugin/src/test/projects/consecutive-runs/build.gradle
index dc57750163..bb58362040 100644
--- a/wire-gradle-plugin/src/test/projects/consecutive-runs/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/consecutive-runs/build.gradle
@@ -1,11 +1,11 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
   kotlin {
     out 'custom'
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/custom-output-no-such-class/build.gradle b/wire-gradle-plugin/src/test/projects/custom-output-no-such-class/build.gradle
index 0c82bd9a7e..23fda8f667 100644
--- a/wire-gradle-plugin/src/test/projects/custom-output-no-such-class/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/custom-output-no-such-class/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/custom-output/build.gradle b/wire-gradle-plugin/src/test/projects/custom-output/build.gradle
index 5a3828004f..81db34cb45 100644
--- a/wire-gradle-plugin/src/test/projects/custom-output/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/custom-output/build.gradle
@@ -3,7 +3,8 @@ import org.jetbrains.annotations.NotNull
 
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 class MyCustomHandlerFactory implements SchemaHandler.Factory {
diff --git a/wire-gradle-plugin/src/test/projects/customize-configuration/build.gradle b/wire-gradle-plugin/src/test/projects/customize-configuration/build.gradle
index f829b27553..d4db2f3985 100644
--- a/wire-gradle-plugin/src/test/projects/customize-configuration/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/customize-configuration/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/customize-task/build.gradle b/wire-gradle-plugin/src/test/projects/customize-task/build.gradle
index 4f587e2960..481db54262 100644
--- a/wire-gradle-plugin/src/test/projects/customize-task/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/customize-task/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/different-java-out/build.gradle b/wire-gradle-plugin/src/test/projects/different-java-out/build.gradle
index b15a61175e..cecefe572c 100644
--- a/wire-gradle-plugin/src/test/projects/different-java-out/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/different-java-out/build.gradle
@@ -1,10 +1,11 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
   java {
     out 'custom'
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/different-kotlin-out/build.gradle b/wire-gradle-plugin/src/test/projects/different-kotlin-out/build.gradle
index dc57750163..bb58362040 100644
--- a/wire-gradle-plugin/src/test/projects/different-kotlin-out/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/different-kotlin-out/build.gradle
@@ -1,11 +1,11 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
   kotlin {
     out 'custom'
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/different-proto-out/build.gradle b/wire-gradle-plugin/src/test/projects/different-proto-out/build.gradle
index 94a2969b3e..981b20daf5 100644
--- a/wire-gradle-plugin/src/test/projects/different-proto-out/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/different-proto-out/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/do-not-emit-wire-runtime-protos/build.gradle b/wire-gradle-plugin/src/test/projects/do-not-emit-wire-runtime-protos/build.gradle
index 60ffa8a7f8..c7f9a9197d 100644
--- a/wire-gradle-plugin/src/test/projects/do-not-emit-wire-runtime-protos/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/do-not-emit-wire-runtime-protos/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/dry-run/build.gradle b/wire-gradle-plugin/src/test/projects/dry-run/build.gradle
index 9634f2ee57..dee8912034 100644
--- a/wire-gradle-plugin/src/test/projects/dry-run/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/dry-run/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire{
diff --git a/wire-gradle-plugin/src/test/projects/emit-java-options/build.gradle b/wire-gradle-plugin/src/test/projects/emit-java-options/build.gradle
index e5b87631b3..c56276155b 100644
--- a/wire-gradle-plugin/src/test/projects/emit-java-options/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-java-options/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/emit-java-then-emit-kotlin/build.gradle b/wire-gradle-plugin/src/test/projects/emit-java-then-emit-kotlin/build.gradle
index 62a24a2fb3..44d75bfdbb 100644
--- a/wire-gradle-plugin/src/test/projects/emit-java-then-emit-kotlin/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-java-then-emit-kotlin/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
@@ -12,4 +12,4 @@ wire {
   kotlin {
     // Kotlin gets everything else.
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/emit-kotlin-and-emit-java/build.gradle b/wire-gradle-plugin/src/test/projects/emit-kotlin-and-emit-java/build.gradle
index 81150bc0ec..b2db29f1c4 100644
--- a/wire-gradle-plugin/src/test/projects/emit-kotlin-and-emit-java/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-kotlin-and-emit-java/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
@@ -13,4 +13,4 @@ wire {
     // Java gets everything.
     exclusive = false
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/emit-kotlin-and-emit-java/settings.gradle b/wire-gradle-plugin/src/test/projects/emit-kotlin-and-emit-java/settings.gradle
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/wire-gradle-plugin/src/test/projects/emit-kotlin-options/build.gradle b/wire-gradle-plugin/src/test/projects/emit-kotlin-options/build.gradle
index 57962e681b..08ba99fccd 100644
--- a/wire-gradle-plugin/src/test/projects/emit-kotlin-options/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-kotlin-options/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/emit-kotlin-then-emit-java/build.gradle b/wire-gradle-plugin/src/test/projects/emit-kotlin-then-emit-java/build.gradle
index 019e193675..1e6f195764 100644
--- a/wire-gradle-plugin/src/test/projects/emit-kotlin-then-emit-java/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-kotlin-then-emit-java/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
@@ -12,4 +12,4 @@ wire {
   java {
     // Java gets everything else.
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/emit-options-with-includes/build.gradle b/wire-gradle-plugin/src/test/projects/emit-options-with-includes/build.gradle
index 48ccca60d3..a9d73914d9 100644
--- a/wire-gradle-plugin/src/test/projects/emit-options-with-includes/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-options-with-includes/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/emit-options-without-conflicts/build.gradle b/wire-gradle-plugin/src/test/projects/emit-options-without-conflicts/build.gradle
index 57962e681b..08ba99fccd 100644
--- a/wire-gradle-plugin/src/test/projects/emit-options-without-conflicts/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-options-without-conflicts/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/emit-proto-with-prune/build.gradle b/wire-gradle-plugin/src/test/projects/emit-proto-with-prune/build.gradle
index 7eda09a36d..b137cacdef 100644
--- a/wire-gradle-plugin/src/test/projects/emit-proto-with-prune/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-proto-with-prune/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/emit-proto-with-root/build.gradle b/wire-gradle-plugin/src/test/projects/emit-proto-with-root/build.gradle
index 69acc7d13a..3430d676fa 100644
--- a/wire-gradle-plugin/src/test/projects/emit-proto-with-root/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-proto-with-root/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/emit-proto/build.gradle b/wire-gradle-plugin/src/test/projects/emit-proto/build.gradle
index 25eac5bf3a..c9446103a9 100644
--- a/wire-gradle-plugin/src/test/projects/emit-proto/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-proto/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/emit-service-name-suffix/build.gradle b/wire-gradle-plugin/src/test/projects/emit-service-name-suffix/build.gradle
index 95926cd753..8d1ea5c14c 100644
--- a/wire-gradle-plugin/src/test/projects/emit-service-name-suffix/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-service-name-suffix/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/emit-service-none/build.gradle b/wire-gradle-plugin/src/test/projects/emit-service-none/build.gradle
index 3b0c0e1d51..ac8518cf2d 100644
--- a/wire-gradle-plugin/src/test/projects/emit-service-none/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-service-none/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/emit-service-two-ways/build.gradle b/wire-gradle-plugin/src/test/projects/emit-service-two-ways/build.gradle
index 0514973281..0ea5e11b62 100644
--- a/wire-gradle-plugin/src/test/projects/emit-service-two-ways/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-service-two-ways/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/emit-service/build.gradle b/wire-gradle-plugin/src/test/projects/emit-service/build.gradle
index bf00a2b411..43621dc9ad 100644
--- a/wire-gradle-plugin/src/test/projects/emit-service/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/emit-service/build.gradle
@@ -1,10 +1,10 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
   kotlin {
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/field-prune/build.gradle b/wire-gradle-plugin/src/test/projects/field-prune/build.gradle
index 8277788d65..2e7dc13bb2 100644
--- a/wire-gradle-plugin/src/test/projects/field-prune/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/field-prune/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
@@ -9,4 +9,4 @@ wire {
   prune 'squareup.dinosaurs.Dinosaur#name'
 
   kotlin {}
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/field-prunes/build.gradle b/wire-gradle-plugin/src/test/projects/field-prunes/build.gradle
index 510539a9a0..18320d054c 100644
--- a/wire-gradle-plugin/src/test/projects/field-prunes/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/field-prunes/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
@@ -10,4 +10,4 @@ wire {
   prune 'squareup.dinosaurs.Dinosaur#length_meters'
 
   kotlin {}
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/field-root/build.gradle b/wire-gradle-plugin/src/test/projects/field-root/build.gradle
index df8d5964c2..17e642df88 100644
--- a/wire-gradle-plugin/src/test/projects/field-root/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/field-root/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
@@ -9,4 +9,4 @@ wire {
   root 'squareup.dinosaurs.Dinosaur#name'
 
   kotlin {}
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/field-roots/build.gradle b/wire-gradle-plugin/src/test/projects/field-roots/build.gradle
index 525f8cdc01..48f4c83831 100644
--- a/wire-gradle-plugin/src/test/projects/field-roots/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/field-roots/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/field-rule-prune/build.gradle b/wire-gradle-plugin/src/test/projects/field-rule-prune/build.gradle
index 0fcc2c0a82..6d648e5feb 100644
--- a/wire-gradle-plugin/src/test/projects/field-rule-prune/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/field-rule-prune/build.gradle
@@ -1,11 +1,11 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
   rules 'rules.txt'
 
   kotlin {}
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/field-rule-root/build.gradle b/wire-gradle-plugin/src/test/projects/field-rule-root/build.gradle
index 0fcc2c0a82..6d648e5feb 100644
--- a/wire-gradle-plugin/src/test/projects/field-rule-root/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/field-rule-root/build.gradle
@@ -1,11 +1,11 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
   rules 'rules.txt'
 
   kotlin {}
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/java-project-java-protos/build.gradle b/wire-gradle-plugin/src/test/projects/java-project-java-protos/build.gradle
index 488a5a66cd..ba84a0de95 100644
--- a/wire-gradle-plugin/src/test/projects/java-project-java-protos/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/java-project-java-protos/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 mainClassName = 'com.squareup.dinosaurs.Sample'
@@ -13,10 +14,10 @@ repositories {
 }
 
 dependencies {
-  implementation "com.squareup.wire:wire-runtime:$VERSION_NAME"
+  implementation "com.squareup.wire:wire-runtime:$wireVersion"
 }
 
 wire{
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/java-project-kotlin-protos/build.gradle b/wire-gradle-plugin/src/test/projects/java-project-kotlin-protos/build.gradle
index 9d8a9287a1..c03b9a6a9d 100644
--- a/wire-gradle-plugin/src/test/projects/java-project-kotlin-protos/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/java-project-kotlin-protos/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 mainClassName = 'com.squareup.dinosaurs.Sample'
@@ -14,7 +14,7 @@ repositories {
 }
 
 dependencies {
-  implementation "com.squareup.wire:wire-runtime:$VERSION_NAME"
+  implementation "com.squareup.wire:wire-runtime:$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/kotlin-enum-mode/build.gradle b/wire-gradle-plugin/src/test/projects/kotlin-enum-mode/build.gradle
index b9b425f428..ccc9131ae4 100644
--- a/wire-gradle-plugin/src/test/projects/kotlin-enum-mode/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/kotlin-enum-mode/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/kotlin-multiplatform/build.gradle b/wire-gradle-plugin/src/test/projects/kotlin-multiplatform/build.gradle
index 29c98b77dd..e149d0f756 100644
--- a/wire-gradle-plugin/src/test/projects/kotlin-multiplatform/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/kotlin-multiplatform/build.gradle
@@ -1,6 +1,6 @@
 plugins {
-  id 'org.jetbrains.kotlin.multiplatform'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.multiplatform' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 repositories {
diff --git a/wire-gradle-plugin/src/test/projects/kotlin-multiplatform/gradle.properties b/wire-gradle-plugin/src/test/projects/kotlin-multiplatform/gradle.properties
deleted file mode 100644
index 1aaedd8c56..0000000000
--- a/wire-gradle-plugin/src/test/projects/kotlin-multiplatform/gradle.properties
+++ /dev/null
@@ -1 +0,0 @@
-VERSION_NAME=5.1.1-SNAPSHOT
diff --git a/wire-gradle-plugin/src/test/projects/kotlin-multiplatform/settings.gradle b/wire-gradle-plugin/src/test/projects/kotlin-multiplatform/settings.gradle
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/wire-gradle-plugin/src/test/projects/kotlin-project-java-protos/build.gradle b/wire-gradle-plugin/src/test/projects/kotlin-project-java-protos/build.gradle
index 64d16a5c3b..1a211e23be 100644
--- a/wire-gradle-plugin/src/test/projects/kotlin-project-java-protos/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/kotlin-project-java-protos/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 mainClassName = 'com.squareup.dinosaurs.Sample'
@@ -14,7 +14,7 @@ repositories {
 }
 
 dependencies {
-  implementation "com.squareup.wire:wire-runtime:$VERSION_NAME"
+  implementation "com.squareup.wire:wire-runtime:$wireVersion"
 
   compileOnly "org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.20"
 }
@@ -22,4 +22,4 @@ dependencies {
 wire{
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/kotlin-project-kotlin-protos/build.gradle b/wire-gradle-plugin/src/test/projects/kotlin-project-kotlin-protos/build.gradle
index b4ceb3326b..d50f2e51ad 100644
--- a/wire-gradle-plugin/src/test/projects/kotlin-project-kotlin-protos/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/kotlin-project-kotlin-protos/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 mainClassName = 'com.squareup.dinosaurs.Sample'
@@ -14,7 +14,7 @@ repositories {
 }
 
 dependencies {
-  implementation "com.squareup.wire:wire-runtime:$VERSION_NAME"
+  implementation "com.squareup.wire:wire-runtime:$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/kotlinsourcesjar/build.gradle.kts b/wire-gradle-plugin/src/test/projects/kotlinsourcesjar/build.gradle.kts
index ed74681796..75442cb79b 100644
--- a/wire-gradle-plugin/src/test/projects/kotlinsourcesjar/build.gradle.kts
+++ b/wire-gradle-plugin/src/test/projects/kotlinsourcesjar/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
-  id("org.jetbrains.kotlin.jvm") version "1.9.22"
-  id("com.squareup.wire")
+  id("org.jetbrains.kotlin.jvm") version libs.versions.kotlin
+  id("com.squareup.wire") version("$wireVersion")
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/listener-no-such-class/build.gradle b/wire-gradle-plugin/src/test/projects/listener-no-such-class/build.gradle
index 1889fd556e..3f359ad6c7 100644
--- a/wire-gradle-plugin/src/test/projects/listener-no-such-class/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/listener-no-such-class/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/listener/build.gradle b/wire-gradle-plugin/src/test/projects/listener/build.gradle
index b7b9d9685d..f1c22f0e76 100644
--- a/wire-gradle-plugin/src/test/projects/listener/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/listener/build.gradle
@@ -10,8 +10,8 @@ import org.slf4j.Logger
 
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 class MyEventListenerFactory implements EventListener.Factory {
diff --git a/wire-gradle-plugin/src/test/projects/missing-kotlin-plugin/build.gradle b/wire-gradle-plugin/src/test/projects/missing-kotlin-plugin/build.gradle
index 946baff33c..b214830d2e 100644
--- a/wire-gradle-plugin/src/test/projects/missing-kotlin-plugin/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/missing-kotlin-plugin/build.gradle
@@ -1,8 +1,9 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
   kotlin {}
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/missing-plugin/build.gradle b/wire-gradle-plugin/src/test/projects/missing-plugin/build.gradle
index fd0e09b975..31957de6b2 100644
--- a/wire-gradle-plugin/src/test/projects/missing-plugin/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/missing-plugin/build.gradle
@@ -1,8 +1,8 @@
 plugins {
-  id 'com.squareup.wire'
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire{
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/move-message/build.gradle b/wire-gradle-plugin/src/test/projects/move-message/build.gradle
index c435705f9b..b98831c5da 100644
--- a/wire-gradle-plugin/src/test/projects/move-message/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/move-message/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/only-version/build.gradle b/wire-gradle-plugin/src/test/projects/only-version/build.gradle
index 3a378bca46..12f234d40d 100644
--- a/wire-gradle-plugin/src/test/projects/only-version/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/only-version/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/opaque-message/build.gradle b/wire-gradle-plugin/src/test/projects/opaque-message/build.gradle
index 6ac0f3bdc7..2adbc9d479 100644
--- a/wire-gradle-plugin/src/test/projects/opaque-message/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/opaque-message/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/package-cycles-permitted/build.gradle b/wire-gradle-plugin/src/test/projects/package-cycles-permitted/build.gradle
index 005178349a..07e1c93908 100644
--- a/wire-gradle-plugin/src/test/projects/package-cycles-permitted/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/package-cycles-permitted/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 repositories {
@@ -12,7 +12,7 @@ repositories {
 }
 
 dependencies {
-  implementation "com.squareup.wire:wire-runtime:$VERSION_NAME"
+  implementation "com.squareup.wire:wire-runtime:$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/package-cycles/build.gradle b/wire-gradle-plugin/src/test/projects/package-cycles/build.gradle
index d470640737..d5d951a583 100644
--- a/wire-gradle-plugin/src/test/projects/package-cycles/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/package-cycles/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 repositories {
@@ -12,7 +12,7 @@ repositories {
 }
 
 dependencies {
-  implementation "com.squareup.wire:wire-runtime:$VERSION_NAME"
+  implementation "com.squareup.wire:wire-runtime:$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/dinosaurs/build.gradle b/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/dinosaurs/build.gradle
index 181181ae9b..f1825b551a 100644
--- a/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/dinosaurs/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/dinosaurs/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'com.squareup.wire'
-  id 'org.jetbrains.kotlin.jvm'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 dependencies {
diff --git a/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/geology/build.gradle b/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/geology/build.gradle
index e4f33b4b50..5f66fcc121 100644
--- a/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/geology/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/geology/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'com.squareup.wire'
-  id 'org.jetbrains.kotlin.jvm'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/location/build.gradle b/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/location/build.gradle
index e4f33b4b50..5f66fcc121 100644
--- a/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/location/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/location/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'com.squareup.wire'
-  id 'org.jetbrains.kotlin.jvm'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/settings.gradle b/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/settings.gradle
deleted file mode 100644
index fef4293a43..0000000000
--- a/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/settings.gradle
+++ /dev/null
@@ -1,5 +0,0 @@
-include ':dinosaurs'
-include ':geology'
-include ':location'
-
-enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
diff --git a/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/settings.gradle.kts b/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/settings.gradle.kts
new file mode 100644
index 0000000000..b40897dcee
--- /dev/null
+++ b/wire-gradle-plugin/src/test/projects/project-dependencies-typesafe-accessor/settings.gradle.kts
@@ -0,0 +1,24 @@
+include ":dinosaurs"
+include ":geology"
+include ":location"
+
+enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
+
+pluginManagement {
+  listOf(repositories, dependencyResolutionManagement.repositories).forEach {
+    it.apply {
+      mavenCentral()
+      maven {
+        url = uri(rootDir.resolve("../../../../../build/localMaven").absolutePath)
+      }
+    }
+  }
+}
+
+dependencyResolutionManagement {
+  versionCatalogs {
+    create("libs") {
+      from(files(rootDir.resolve("../../../../../gradle/libs.versions.toml").absolutePath))
+    }
+  }
+}
diff --git a/wire-gradle-plugin/src/test/projects/project-dependencies/dinosaurs/build.gradle b/wire-gradle-plugin/src/test/projects/project-dependencies/dinosaurs/build.gradle
index e7123c0bf0..d26d9926a2 100644
--- a/wire-gradle-plugin/src/test/projects/project-dependencies/dinosaurs/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/project-dependencies/dinosaurs/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'com.squareup.wire'
-  id 'org.jetbrains.kotlin.jvm'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 dependencies {
diff --git a/wire-gradle-plugin/src/test/projects/project-dependencies/geology/build.gradle b/wire-gradle-plugin/src/test/projects/project-dependencies/geology/build.gradle
index e4f33b4b50..5f66fcc121 100644
--- a/wire-gradle-plugin/src/test/projects/project-dependencies/geology/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/project-dependencies/geology/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'com.squareup.wire'
-  id 'org.jetbrains.kotlin.jvm'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/project-dependencies/location/build.gradle b/wire-gradle-plugin/src/test/projects/project-dependencies/location/build.gradle
index e4f33b4b50..5f66fcc121 100644
--- a/wire-gradle-plugin/src/test/projects/project-dependencies/location/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/project-dependencies/location/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'com.squareup.wire'
-  id 'org.jetbrains.kotlin.jvm'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/project-dependencies/settings.gradle b/wire-gradle-plugin/src/test/projects/project-dependencies/settings.gradle
deleted file mode 100644
index b8e6e9e904..0000000000
--- a/wire-gradle-plugin/src/test/projects/project-dependencies/settings.gradle
+++ /dev/null
@@ -1,3 +0,0 @@
-include ':dinosaurs'
-include ':geology'
-include ':location'
diff --git a/wire-gradle-plugin/src/test/projects/project-dependencies/settings.gradle.kts b/wire-gradle-plugin/src/test/projects/project-dependencies/settings.gradle.kts
new file mode 100644
index 0000000000..ec4abded35
--- /dev/null
+++ b/wire-gradle-plugin/src/test/projects/project-dependencies/settings.gradle.kts
@@ -0,0 +1,22 @@
+include ":dinosaurs"
+include ":geology"
+include ":location"
+
+pluginManagement {
+  listOf(repositories, dependencyResolutionManagement.repositories).forEach {
+    it.apply {
+      mavenCentral()
+      maven {
+        url = uri(rootDir.resolve("../../../../../build/localMaven").absolutePath)
+      }
+    }
+  }
+}
+
+dependencyResolutionManagement {
+  versionCatalogs {
+    create("libs") {
+      from(files(rootDir.resolve("../../../../../gradle/libs.versions.toml").absolutePath))
+    }
+  }
+}
diff --git a/wire-gradle-plugin/src/test/projects/proto-library/build.gradle b/wire-gradle-plugin/src/test/projects/proto-library/build.gradle
index 483889d41b..aad54cc45a 100644
--- a/wire-gradle-plugin/src/test/projects/proto-library/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/proto-library/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'kotlin'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/protopath-maven/build.gradle b/wire-gradle-plugin/src/test/projects/protopath-maven/build.gradle
index 2446daeb14..f92499ec07 100644
--- a/wire-gradle-plugin/src/test/projects/protopath-maven/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/protopath-maven/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/reject-unused/build.gradle b/wire-gradle-plugin/src/test/projects/reject-unused/build.gradle
index fea4bc3c0b..b441283ccf 100644
--- a/wire-gradle-plugin/src/test/projects/reject-unused/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/reject-unused/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/require-target/build.gradle b/wire-gradle-plugin/src/test/projects/require-target/build.gradle
index 765dd8dda1..2c27d8c82e 100644
--- a/wire-gradle-plugin/src/test/projects/require-target/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/require-target/build.gradle
@@ -1,4 +1,5 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
-}
\ No newline at end of file
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
+}
diff --git a/wire-gradle-plugin/src/test/projects/since-until/build.gradle b/wire-gradle-plugin/src/test/projects/since-until/build.gradle
index 146dbc14f1..a6bac15a6f 100644
--- a/wire-gradle-plugin/src/test/projects/since-until/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/since-until/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/sourceaar-local-protopath/build.gradle b/wire-gradle-plugin/src/test/projects/sourceaar-local-protopath/build.gradle
index 422e0d6ad3..3517f6a76c 100644
--- a/wire-gradle-plugin/src/test/projects/sourceaar-local-protopath/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourceaar-local-protopath/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/sourcedir-exclude/build.gradle b/wire-gradle-plugin/src/test/projects/sourcedir-exclude/build.gradle
index 2c315823fe..90cd3c0c20 100644
--- a/wire-gradle-plugin/src/test/projects/sourcedir-exclude/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcedir-exclude/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 mainClassName = 'com.squareup.dinosaurs.Sample'
@@ -14,7 +14,7 @@ repositories {
 }
 
 dependencies {
-  implementation "com.squareup.wire:wire-runtime:$VERSION_NAME"
+  implementation "com.squareup.wire:wire-runtime:$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/sourcedir-include/build.gradle b/wire-gradle-plugin/src/test/projects/sourcedir-include/build.gradle
index bbfe4b604e..de014d81cd 100644
--- a/wire-gradle-plugin/src/test/projects/sourcedir-include/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcedir-include/build.gradle
@@ -1,7 +1,7 @@
 plugins {
   id 'application'
-  id 'org.jetbrains.kotlin.jvm'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 mainClassName = 'com.squareup.dinosaurs.Sample'
@@ -14,7 +14,7 @@ repositories {
 }
 
 dependencies {
-  implementation "com.squareup.wire:wire-runtime:$VERSION_NAME"
+  implementation "com.squareup.wire:wire-runtime:$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/sourcejar-local-many-files/build.gradle b/wire-gradle-plugin/src/test/projects/sourcejar-local-many-files/build.gradle
index 50563d88b0..9bbe953c81 100644
--- a/wire-gradle-plugin/src/test/projects/sourcejar-local-many-files/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcejar-local-many-files/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/sourcejar-local-nonproto-file/build.gradle b/wire-gradle-plugin/src/test/projects/sourcejar-local-nonproto-file/build.gradle
index e3f8b8dbc2..bedace9e65 100644
--- a/wire-gradle-plugin/src/test/projects/sourcejar-local-nonproto-file/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcejar-local-nonproto-file/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/sourcejar-local-single-file/build.gradle b/wire-gradle-plugin/src/test/projects/sourcejar-local-single-file/build.gradle
index b123752874..3a5ce3ec71 100644
--- a/wire-gradle-plugin/src/test/projects/sourcejar-local-single-file/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcejar-local-single-file/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/sourcejar-mixed-conflicts/build.gradle b/wire-gradle-plugin/src/test/projects/sourcejar-mixed-conflicts/build.gradle
index 2737d052c9..69d63009eb 100644
--- a/wire-gradle-plugin/src/test/projects/sourcejar-mixed-conflicts/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcejar-mixed-conflicts/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/sourcejar-remote-many-files/build.gradle b/wire-gradle-plugin/src/test/projects/sourcejar-remote-many-files/build.gradle
index 015a0ec94a..1834c711e1 100644
--- a/wire-gradle-plugin/src/test/projects/sourcejar-remote-many-files/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcejar-remote-many-files/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/sourcejar-remote-protopath/build.gradle b/wire-gradle-plugin/src/test/projects/sourcejar-remote-protopath/build.gradle
index 1598003020..60fd3d1d45 100644
--- a/wire-gradle-plugin/src/test/projects/sourcejar-remote-protopath/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcejar-remote-protopath/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/build.gradle b/wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/build.gradle
index bbb6fb4fb4..b56f593ebd 100644
--- a/wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/settings.gradle b/wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/settings.gradle
deleted file mode 100644
index a5952cfe06..0000000000
--- a/wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/settings.gradle
+++ /dev/null
@@ -1,7 +0,0 @@
-dependencyResolutionManagement {
-  versionCatalogs {
-    create("libs") {
-      library("allprotos", "com.squareup.wire.dinosaur:all-protos:1.0")
-    }
-  }
-}
diff --git a/wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/settings.gradle.kts b/wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/settings.gradle.kts
new file mode 100644
index 0000000000..e454d7bca7
--- /dev/null
+++ b/wire-gradle-plugin/src/test/projects/sourcejar-remote-version-catalog/settings.gradle.kts
@@ -0,0 +1,19 @@
+pluginManagement {
+  listOf(repositories, dependencyResolutionManagement.repositories).forEach {
+    it.apply {
+      mavenCentral()
+      maven {
+        url = uri(rootDir.resolve("../../../../../build/localMaven").absolutePath)
+      }
+    }
+  }
+}
+
+dependencyResolutionManagement {
+  versionCatalogs {
+    create("libs") {
+      from(files(rootDir.resolve("../../../../../gradle/libs.versions.toml").absolutePath))
+      library("allprotos", "com.squareup.wire.dinosaur:all-protos:1.0")
+    }
+  }
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcejar-remote-wildcards/build.gradle b/wire-gradle-plugin/src/test/projects/sourcejar-remote-wildcards/build.gradle
index 140f389807..dab2a12517 100644
--- a/wire-gradle-plugin/src/test/projects/sourcejar-remote-wildcards/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcejar-remote-wildcards/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-and-protopath-intersect/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-and-protopath-intersect/build.gradle
index dfd8b3803a..033a1deb45 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-and-protopath-intersect/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-and-protopath-intersect/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-build-dir/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-build-dir/build.gradle
index 539e41e01d..41420010af 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-build-dir/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-build-dir/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 final String OUTPUT_REPO_DIR = "$buildDir/src/main/proto/squareup"
@@ -25,4 +26,4 @@ wire {
   }
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-default/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-default/build.gradle
index 8638433cef..f2b04bae4f 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-default/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-default/build.gradle
@@ -1,9 +1,10 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire{
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-dir/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-dir/build.gradle
index fb457fb52a..e3d136bc6e 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-dir/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-dir/build.gradle
@@ -1,10 +1,11 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
   sourcePath 'src/main/proto'
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-file/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-file/build.gradle
index 8ef94c0946..1558a84b9e 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-file/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-file/build.gradle
@@ -1,10 +1,11 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
   sourcePath 'src/main/proto/squareup/geology/period.proto'
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-maven-single-file/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-maven-single-file/build.gradle
index bdab92ef8b..3f41a79cf1 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-maven-single-file/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-maven-single-file/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-maven/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-maven/build.gradle
index aa0dcc5f3d..94e695c322 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-maven/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-maven/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-no-sources/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-no-sources/build.gradle
index 8638433cef..f2b04bae4f 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-no-sources/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-no-sources/build.gradle
@@ -1,9 +1,10 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire{
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-dir/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-dir/build.gradle
index fb457fb52a..e3d136bc6e 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-dir/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-dir/build.gradle
@@ -1,10 +1,11 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
   sourcePath 'src/main/proto'
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-srcdir-with-protopath/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-srcdir-with-protopath/build.gradle
index 52835dc0c8..c5423606c4 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-srcdir-with-protopath/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-srcdir-with-protopath/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-srcdir/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-srcdir/build.gradle
index f906f282ed..a19075ded3 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-srcdir/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-nonexistent-srcdir/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
@@ -9,4 +10,4 @@ wire {
   }
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcepath-uri/build.gradle b/wire-gradle-plugin/src/test/projects/sourcepath-uri/build.gradle
index cd43d3abc7..ecc5c3e911 100644
--- a/wire-gradle-plugin/src/test/projects/sourcepath-uri/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcepath-uri/build.gradle
@@ -1,10 +1,11 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
   sourcePath 'http://www.squareup.com'
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcetree-many-srcdirs/build.gradle b/wire-gradle-plugin/src/test/projects/sourcetree-many-srcdirs/build.gradle
index 6a322d7d50..148626ff27 100644
--- a/wire-gradle-plugin/src/test/projects/sourcetree-many-srcdirs/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcetree-many-srcdirs/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
@@ -10,4 +11,4 @@ wire {
   }
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcetree-one-srcdir-many-files/build.gradle b/wire-gradle-plugin/src/test/projects/sourcetree-one-srcdir-many-files/build.gradle
index ba9d9e5032..0515c4c38e 100644
--- a/wire-gradle-plugin/src/test/projects/sourcetree-one-srcdir-many-files/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcetree-one-srcdir-many-files/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
@@ -10,4 +11,4 @@ wire {
   }
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcetree-one-srcdir-one-file/build.gradle b/wire-gradle-plugin/src/test/projects/sourcetree-one-srcdir-one-file/build.gradle
index ba9d9e5032..0515c4c38e 100644
--- a/wire-gradle-plugin/src/test/projects/sourcetree-one-srcdir-one-file/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcetree-one-srcdir-one-file/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 wire {
@@ -10,4 +11,4 @@ wire {
   }
   java{
   }
-}
\ No newline at end of file
+}
diff --git a/wire-gradle-plugin/src/test/projects/sourcezip-local-protopath/build.gradle b/wire-gradle-plugin/src/test/projects/sourcezip-local-protopath/build.gradle
index 76a6272162..214b397e20 100644
--- a/wire-gradle-plugin/src/test/projects/sourcezip-local-protopath/build.gradle
+++ b/wire-gradle-plugin/src/test/projects/sourcezip-local-protopath/build.gradle
@@ -1,6 +1,7 @@
 plugins {
   id 'application'
-  id 'com.squareup.wire'
+  id 'org.jetbrains.kotlin.jvm' version libs.versions.kotlin
+  id 'com.squareup.wire' version "$wireVersion"
 }
 
 // See installProtoJars task in wire-gradle-plugin/build.gradle.kts
diff --git a/wire-gradle-plugin/src/test/projects/task-dependency/build.gradle.kts b/wire-gradle-plugin/src/test/projects/task-dependency/build.gradle.kts
index 7670c50ef9..1763c3091d 100644
--- a/wire-gradle-plugin/src/test/projects/task-dependency/build.gradle.kts
+++ b/wire-gradle-plugin/src/test/projects/task-dependency/build.gradle.kts
@@ -1,8 +1,8 @@
 import org.gradle.api.internal.file.FileOperations
 
 plugins {
-  id("com.squareup.wire")
-  id("org.jetbrains.kotlin.jvm") version "1.9.22"
+  id("com.squareup.wire") version "5.1.0-SNAPSHOT"
+  id("org.jetbrains.kotlin.jvm") version libs.versions.kotlin
 }
 
 @CacheableTask