diff --git a/.github/workflows/keycloak.yml b/.github/workflows/keycloak.yml
index 9275965..8044abc 100644
--- a/.github/workflows/keycloak.yml
+++ b/.github/workflows/keycloak.yml
@@ -41,10 +41,10 @@ jobs:
           
       - uses: actions/checkout@v2
 
-      - name: set up JDK 21
+      - name: set up JDK 17
         uses: actions/setup-java@v1
         with:
-          java-version: 21
+          java-version: 17
           
       - name: grant execute permission for gradlew
         run: chmod +x gradlew