diff --git a/.github/workflows/deploy-functions.yml b/.github/workflows/deploy-functions.yml
index ab7381f..62ca4f7 100644
--- a/.github/workflows/deploy-functions.yml
+++ b/.github/workflows/deploy-functions.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: cdk deploy
         uses: youyo/aws-cdk-github-actions@v2
         with: