diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 21b92a04..9e90b385 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -10,7 +10,7 @@ jobs:
   Build:
     strategy:
       matrix:
-        jdkversion: [ 11 ]
+        jdkversion: [ 11 , 21 ]
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v3