diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 3ba87fbb..4a768eb6 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -16,15 +16,15 @@ jobs:
   Build:
     strategy:
       matrix:
-        java: [17]
+        java: [17, 21]
 
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up JDK ${{ matrix.java }}
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@v4
       with:
         distribution: temurin
         java-version: ${{ matrix.java }}