diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 69bcdeab..7e3b55ea 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,6 +15,10 @@ jobs:
   build:
     runs-on: antville
 
+    strategy:
+      matrix:
+        java: [11, 17, 21]
+
     steps:
       - uses: actions/checkout@v4