diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index c1768bb..8d0822e 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Set up JDK 15
       uses: actions/setup-java@v2