diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 86a024ed..344c80e5 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -14,7 +14,7 @@ jobs:
           fetch-depth: 0
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3.8.0
+        uses: peaceiris/actions-gh-pages@v3.9.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs