diff --git a/.github/workflows/sync-app-script.yml b/.github/workflows/sync-app-script.yml
index d47e41a..d4028bc 100644
--- a/.github/workflows/sync-app-script.yml
+++ b/.github/workflows/sync-app-script.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Fetch JSON from URL
       run: |