diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 795263f..67fb1dd 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -27,7 +27,7 @@ jobs:
           pipenv run docs
 
       - name: Publish
-        uses: peaceiris/actions-gh-pages@373f7f263a76c20808c831209c920827a82a2847  # v3.9.3
+        uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e  # v4.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public