diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 3a33b38..f3e7e5a 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -17,6 +17,9 @@ jobs:
       - name: Sphinx build
         run: |
           sphinx-build docs/source docs/build
+      - name: Add CNAME
+        run: |
+          echo bge-model.com > docs/build/CNAME
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
         if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}