diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index 4d6c83bf..32613717 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -33,7 +33,7 @@ jobs:
           jupyter-book build jupyterbook
 
       - name: GitHub Pages action
-        if: github.ref == 'refs/heads/master'
+        if: github.ref == 'refs/heads/main'
         uses: peaceiris/actions-gh-pages@v3.6.1
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}