diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
index ecded6b221..1a63a7bdd3 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/build-docs.yml
@@ -44,7 +44,7 @@ jobs:
           AIRNOW_API: ${{ secrets.AIRNOW_API }}
       # Push the book's HTML to github-pages
       - name: GitHub Pages action
-        uses: peaceiris/actions-gh-pages@v3.9.3
+        uses: peaceiris/actions-gh-pages@v4.0.0
         if: github.ref == 'refs/heads/main'
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}