diff --git a/README.md b/README.md
index 782d8ef..f1aa462 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ jobs:
     name: Shellcheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run ShellCheck
         uses: ludeeus/action-shellcheck@master
 ```