diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 57a62885..813eea21 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -34,7 +34,7 @@ jobs:
           spec-file: openapi.json
 
       - name: Publish
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: docs