diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c7a3322..d176c68 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -11,6 +11,8 @@ jobs:
   check-code-style:
     name: Check code style
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
 
     steps:
       - name: Checkout repository