diff --git a/.github/workflows/git-mirror.yml b/.github/workflows/git-mirror.yml
index d9526e8..3cae71d 100644
--- a/.github/workflows/git-mirror.yml
+++ b/.github/workflows/git-mirror.yml
@@ -12,6 +12,8 @@ on:
 jobs:
   mirror:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - name: Checkout repository
         uses: actions/checkout@v5