diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f41a9ca..f7b86a2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,7 +6,7 @@ jobs:
     strategy:
       matrix:
         java:
-          - 17
+          - 21
         os:
           - ubuntu-latest
     runs-on: ${{ matrix.os }}