diff --git a/.github/workflows/pr-line-check.yml b/.github/workflows/pr-line-check.yml
index 1c9cef79..ecf85b91 100644
--- a/.github/workflows/pr-line-check.yml
+++ b/.github/workflows/pr-line-check.yml
@@ -42,6 +42,9 @@ on:
 jobs:
   check-lines:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
     steps:
       - name: Checkout code
         uses: actions/checkout@v4