diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 92eaa48..fdf478c 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -27,7 +27,7 @@ jobs:
       uses: peaceiris/actions-gh-pages@v3
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: ./_book
+        publish_dir: ./book/_book
         publish_branch: gh-pages
         user_name: 'ai[bot]'
         user_email: '138105980+yui-syui-ai[bot]@users.noreply.github.com'