diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0521e8a2d4..678138915b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: [ '8', '11', '17', '20' ]
+        java: [ '8', '11', '17', '21' ]
         os: [ 'ubuntu-22.04', 'windows-latest' ]
     steps:
       - name: Checkout code