diff --git a/.forgejo/workflows/build.yaml b/.forgejo/workflows/build.yaml
index 53b5892..a827698 100644
--- a/.forgejo/workflows/build.yaml
+++ b/.forgejo/workflows/build.yaml
@@ -8,7 +8,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-java@v4
         with:
-          java-version: '22'
+          java-version: '21'
           distribution: 'temurin'
           cache: 'gradle'
       - name: build