diff --git a/.github/workflows/backport-bot.yml b/.github/workflows/backport-bot.yml
index 83ec8516889..8432fd7d57e 100644
--- a/.github/workflows/backport-bot.yml
+++ b/.github/workflows/backport-bot.yml
@@ -15,6 +15,7 @@ jobs:
     permissions:
       contents: read
       issues: write
+      pull_request: write
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3