diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 628b5d1..5d86476 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -31,3 +31,6 @@ jobs:
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./doc/doxy/html
+
+permissions:
+  contents: write