diff --git a/.github/workflows/deploy_backend.yml b/.github/workflows/deploy_backend.yml
index c6e9dd7..92590d0 100644
--- a/.github/workflows/deploy_backend.yml
+++ b/.github/workflows/deploy_backend.yml
@@ -30,7 +30,7 @@ jobs:
         id: extract_branch
 
       - name: Checkout branch
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ steps.extract_branch.outputs.branch || inputs.branch }}