diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index c9fc78d..0f02e5f 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -12,10 +12,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 17
-      uses: actions/setup-java@v3
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4
       with:
-        java-version: 17
+        java-version: 21
         distribution: 'temurin'
         cache: 'maven'
     - id: install-secret-key