diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 0c29dcb..f3068f2 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -41,6 +41,9 @@ jobs:
       contents: read  #  to fetch code (actions/checkout)
       checks: write
     runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        java: ['17']
     steps:
       - name: Checkout repository
         env: