diff --git a/.github/workflows/auto-response.yml b/.github/workflows/auto-response.yml
index 4398085..753bb52 100644
--- a/.github/workflows/auto-response.yml
+++ b/.github/workflows/auto-response.yml
@@ -18,6 +18,7 @@ jobs:
     runs-on: blacksmith-2vcpu-ubuntu-2404
     permissions:
       issues: write
+      pull-requests: write
     steps:
       - name: Apply contributor tier label for issue author
         uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8