diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 294aa4b..8df0323 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [17]
+        java: [21]
 
     steps:
     - uses: actions/checkout@v2