diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eb9cb69..38397c1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,10 +18,10 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Set up JDK 11
+    - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
-        java-version: '11'
+        java-version: '21'
         distribution: 'temurin'
         cache: 'maven'