diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index c16f020..35021f0 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -20,10 +20,12 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 8
+    - name: Set up JDK 11
       uses: actions/setup-java@v1
       with:
-        java-version: '8'
+        java-version: '11'
         distribution: 'adopt'
+    - name: Validate Gradle wrapper
+      uses: gradle/wrapper-validation-action@e6e38bacfdf1a337459f332974bb2327a31aaf4b
     - name: Build with Gradle
       run: ./gradlew build