diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index b2fa889..e04cc6d 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -16,15 +16,17 @@ on:
 
 jobs:
   build:
-
+    strategy:
+      matrix:
+        java: [ '17', '21' ]
     runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up JDK 17
+    - name: Set up JDK
       uses: actions/setup-java@v4
       with:
-        java-version: '17'
+        java-version:  ${{ matrix.java }}
         distribution: 'temurin'
         cache: maven
     - name: Build with Maven