diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 1141de6..b925846 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -25,7 +25,7 @@ jobs:
 
     strategy:
       matrix:
-        java-version: [ 11, 15 ]
+        java-version: [ 11, 15, 17, 21 ]
 
     steps:
     - name: Harden Runner