diff --git a/.github/workflows/git-repo-sync.yml b/.github/workflows/git-repo-sync.yml
index 3cfb2e23e9..790922db40 100644
--- a/.github/workflows/git-repo-sync.yml
+++ b/.github/workflows/git-repo-sync.yml
@@ -9,6 +9,9 @@ on:
       - '**'
   workflow_dispatch:
 
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
 jobs:
   build:
     runs-on: ubuntu-latest