diff --git a/.github/workflows/auto-assign-label.yaml b/.github/workflows/auto-assign-label.yaml
index 15fc2ca..266e008 100644
--- a/.github/workflows/auto-assign-label.yaml
+++ b/.github/workflows/auto-assign-label.yaml
@@ -7,6 +7,8 @@ on:
 jobs:
   assign-reviewers-assignees:
     runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
     steps:
       - uses: kentaro-m/auto-assign-action@v2.0.0