diff --git a/example/build.gradle b/example/build.gradle
index b0c07943..1497f397 100644
--- a/example/build.gradle
+++ b/example/build.gradle
@@ -8,8 +8,8 @@ buildscript {
         maven { url "https://plugins.gradle.org/m2/" }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.6.1'
-        classpath 'com.kezong:fat-aar:1.2.16'
+        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.kezong:fat-aar:1.2.17'
     }
 }
 
diff --git a/example/gradle/wrapper/gradle-wrapper.properties b/example/gradle/wrapper/gradle-wrapper.properties
index eb891f28..b091b9b8 100644
--- a/example/gradle/wrapper/gradle-wrapper.properties
+++ b/example/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
diff --git a/source/build.gradle b/source/build.gradle
index a0aee076..8eed15ca 100644
--- a/source/build.gradle
+++ b/source/build.gradle
@@ -21,7 +21,7 @@ dependencies {
     implementation gradleApi()
     implementation localGroovy()
 
-    implementation 'com.android.tools.build:gradle:3.6.1'
+    implementation 'com.android.tools.build:gradle:4.0.1'
 }
 
 //afterEvaluate {
diff --git a/source/gradle/wrapper/gradle-wrapper.properties b/source/gradle/wrapper/gradle-wrapper.properties
index eb891f28..b091b9b8 100644
--- a/source/gradle/wrapper/gradle-wrapper.properties
+++ b/source/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip