diff --git a/.github/workflows/ant.yml b/.github/workflows/ant.yml
index ba1ec69..08f99f0 100644
--- a/.github/workflows/ant.yml
+++ b/.github/workflows/ant.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK
       uses: actions/setup-java@v3
       with: