diff --git a/.github/workflows/documentation.yaml b/.github/workflows/documentation.yaml
index 0962328..aed9676 100644
--- a/.github/workflows/documentation.yaml
+++ b/.github/workflows/documentation.yaml
@@ -50,6 +50,7 @@ jobs:
           cd ..
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
+        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
         with:
           publish_branch: gh-pages
           github_token: ${{ secrets.GITHUB_TOKEN }}