diff --git a/.github/workflows/document.yml b/.github/workflows/document.yml
index acac4ed6..81ac65a0 100644
--- a/.github/workflows/document.yml
+++ b/.github/workflows/document.yml
@@ -48,7 +48,7 @@ jobs:
         run: echo 'docs.shokunin.one' > ./target/doc/CNAME
 
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./target/doc