diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 2aee6e1..13878b7 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -20,7 +20,7 @@ jobs:
           poetry-version: "${{ steps.versions.outputs.poetry }}"
       - run: poetry install --extras all
       - run: poetry run mkdocs build
-      - uses: peaceiris/actions-gh-pages@v3.9.3
+      - uses: peaceiris/actions-gh-pages@v4.0.0
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
           publish_dir: ./site