diff --git a/.github/workflows/deploy-docker-to-tst.yml b/.github/workflows/deploy-docker-to-tst.yml
index db5883f..8af9044 100644
--- a/.github/workflows/deploy-docker-to-tst.yml
+++ b/.github/workflows/deploy-docker-to-tst.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Setup Maven + Java
         uses: s4u/setup-maven-action@v1.6.0
         with:
-          java-version: '17'
+          java-version: '21'
           maven-version: '3.9.5'
 
       - name: Extract Quarkus version from pom.xml