diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index adf43c2a7..06c1c29e0 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
-          python-version: '3.10'
+          python-version: "3.10"
       - name: Install and configure Poetry
         uses: snok/install-poetry@v1
         with:
@@ -37,9 +37,9 @@ jobs:
           poetry run make html
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
-        if: ${{ github.event_name == 'push' }}
+        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
         with:
           publish_branch: gh-pages
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: docs/_build/html
-          force_orphan: true
\ No newline at end of file
+          force_orphan: true