diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index d02549d8..174a4cf9 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -21,8 +21,8 @@ jobs:
     - name: Set up JDK 9
       uses: actions/setup-java@v2
       with:
-        java-version: '11'
-        distribution: 'adopt'
+        java-version: '9'
+        distribution: 'zulu'
         cache: gradle
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew