diff --git a/examplelib/build.gradle b/examplelib/build.gradle
index 127daa6..9a52fa0 100644
--- a/examplelib/build.gradle
+++ b/examplelib/build.gradle
@@ -15,7 +15,7 @@ version = _version
 group = 'com.example'
 archivesBaseName = 'ExampleLib'
 
-java.toolchain.languageVersion = JavaLanguageVersion.of(16)
+java.toolchain.languageVersion = JavaLanguageVersion.of(17)
 
 minecraft {
     mappings channel: 'official', version: _mcversion
diff --git a/examplemod/build.gradle b/examplemod/build.gradle
index 416b453..96c195a 100644
--- a/examplemod/build.gradle
+++ b/examplemod/build.gradle
@@ -15,7 +15,7 @@ version = _version
 group = 'com.example'
 archivesBaseName = 'ExampleMod'
 
-java.toolchain.languageVersion = JavaLanguageVersion.of(16)
+java.toolchain.languageVersion = JavaLanguageVersion.of(17)
 
 minecraft {
     mappings channel: 'official', version: _mcversion
diff --git a/runenv b/runenv
index b81f6a3..f57af03 160000
--- a/runenv
+++ b/runenv
@@ -1 +1 @@
-Subproject commit b81f6a31323b2504697ec189bed2df88fe9f827a
+Subproject commit f57af03fcc7688072574f808154a81e5110710c9