diff --git a/.github/workflows/build-docs.yaml b/.github/workflows/build-docs.yaml
index f7ef0c0c..001cf63b 100644
--- a/.github/workflows/build-docs.yaml
+++ b/.github/workflows/build-docs.yaml
@@ -64,7 +64,7 @@ jobs:
         run: sphinx-build docs/source docs/build/
 
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@373f7f263a76c20808c831209c920827a82a2847 # v3
+        uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e # v4.0.0
         if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
         with: 
           github_token: ${{ secrets.GITHUB_TOKEN }}