diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index b7bb714..1fe793f 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -25,7 +25,7 @@ jobs:
         run: ./build_helm_charts
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v3.8.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./docs