diff --git a/.github/workflows/gh_pages_coverage.yml b/.github/workflows/gh_pages_coverage.yml
index fddeb7a..a0efb20 100644
--- a/.github/workflows/gh_pages_coverage.yml
+++ b/.github/workflows/gh_pages_coverage.yml
@@ -40,7 +40,7 @@ jobs:
           rm ./htmlcov/.gitignore
 
       - name: Deploy coverage report to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./htmlcov