diff --git a/README.md b/README.md
index 117d7a42..ac0f402f 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
 
     - name: Use Node.js 16.x
       uses: actions/setup-node@v3