diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index d8f5bd8..e4fa569 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
       RUN_NUMBER: ${{ gitea.run_number }}
     strategy:
       matrix:
-        java: [ '21' ]
+        java: [ '17' ]
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code