diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 7fd6c35..ea59ac5 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -76,7 +76,7 @@ jobs:
           name: public
           path: public
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public
@@ -96,7 +96,7 @@ jobs:
           name: public
           path: public
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           deploy_key: ${{ secrets.PREVIEW_DEPLOY_KEY }}
           external_repository: aoepeople/_preview-opensource