diff --git a/.github/workflows/pr-code-format.yml b/.github/workflows/pr-code-format.yml
index 6e45f9b3d..bcca9fd5e 100644
--- a/.github/workflows/pr-code-format.yml
+++ b/.github/workflows/pr-code-format.yml
@@ -20,6 +20,7 @@ jobs:
 
       - name: Checkout through merge base
         uses: rmacklin/fetch-through-merge-base@v0
+        timeout-minutes: 3
         with:
           base_ref: ${{ github.event.pull_request.base.ref }}
           head_ref: ${{ github.event.pull_request.head.sha }}