diff --git a/.github/workflows/build-deploy_uat-deploy_k8s.yml b/.github/workflows/build-deploy_uat-deploy_k8s.yml
index 9be92c9..2c72e1e 100644
--- a/.github/workflows/build-deploy_uat-deploy_k8s.yml
+++ b/.github/workflows/build-deploy_uat-deploy_k8s.yml
@@ -20,7 +20,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-java@v3
       with:
-        java-version: '17'
+        java-version: '21'
         distribution: 'adopt'
     - name: Build with Gradle
       uses: gradle/gradle-build-action@v2
@@ -43,6 +43,10 @@ jobs:
     if: github.ref == 'refs/heads/master'
     steps:
     - uses: actions/checkout@v3
+    - uses: actions/setup-java@v3
+      with:
+        java-version: '21'
+        distribution: 'adopt'
     - uses: actions/download-artifact@master
       with:
         name: build