diff --git a/.github/workflows/preview.yml b/.github/workflows/preview.yml
index 6b5d8ee1..b3cba357 100644
--- a/.github/workflows/preview.yml
+++ b/.github/workflows/preview.yml
@@ -16,6 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: write
+      pull-requests: write
 
     steps:
       - name: Checkout source