diff --git a/.github/workflows/auto-assign.yml b/.github/workflows/auto-assign.yml
index df1b568bb41..616802cbfee 100644
--- a/.github/workflows/auto-assign.yml
+++ b/.github/workflows/auto-assign.yml
@@ -4,6 +4,9 @@ on:
   pull_request_target:
     types: [opened, reopened, ready_for_review]
 
+permissions:
+  pull-requests: write
+
 jobs:
   add-assignee:
     runs-on: ubuntu-latest