diff --git a/.github/workflows/pr-checker.yml b/.github/workflows/pr-checker.yml
index 88196fe2c..e69cc3fb7 100644
--- a/.github/workflows/pr-checker.yml
+++ b/.github/workflows/pr-checker.yml
@@ -37,6 +37,8 @@ jobs:
   check-merged:
     runs-on: ubuntu-latest
     needs: read-file
+    permissions:
+      pull-requests: write
     if: contains(fromJSON(needs.read-file.outputs.require-result), github.event.pull_request.user.login) == false && github.event.pull_request.merged == true
     steps:
       - uses: actions-cool/maintain-one-comment@v3