diff --git a/.github/workflows/prettify-code.yml b/.github/workflows/prettify-code.yml
index 19d87ba..affa140 100644
--- a/.github/workflows/prettify-code.yml
+++ b/.github/workflows/prettify-code.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # Make sure the actual branch is checked out when running on pull requests
           ref: ${{ github.head_ref }}