diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f6cf38cc6..379e72a11 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -28,7 +28,7 @@ jobs:
 
     strategy:
       matrix:
-        java: [17]
+        java: [17, 21]
 
     runs-on: ubuntu-latest
 
@@ -49,4 +49,5 @@ jobs:
           GRADLE_ENTERPRISE_ACCESS_KEY: ${{ secrets.GE_ACCESS_TOKEN }}
 
       - name: Check License Headers
+        if: matrix.java == '17'
         run: ./mvnw apache-rat:check -V -B --no-transfer-progress