diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index e932ee8..7de9884 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -11,6 +11,8 @@ jobs:
   build-deploy:
     runs-on: act_runner_java
     if: ${{ github.event.pull_request.merged == true }}
+    env:
+      JAVA_HOME: /usr/lib/jvm/java-21-openjdk
     steps:
       - name: Checkout code
         run: |