diff --git a/.github/workflows/firebase-hosting-pull-request.yml b/.github/workflows/firebase-hosting-pull-request.yml
index 2ff28e6..067aea7 100644
--- a/.github/workflows/firebase-hosting-pull-request.yml
+++ b/.github/workflows/firebase-hosting-pull-request.yml
@@ -10,6 +10,10 @@ permissions:
 jobs:
   build_and_preview:
     if: '${{ github.event.pull_request.head.repo.full_name == github.repository }}'
+    permissions:
+      checks: write
+      contents: read
+      pull-requests: write
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2