diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index b314d62..1830662 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -15,6 +15,8 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: 8
+      - name: validate gradle wrapper
+        uses: gradle/wrapper-validation-action@v1
       - name: Build with Gradle
         uses: gradle/gradle-build-action@v2
         with: