diff --git a/.github/workflows/sphinx_build_deploy.yml b/.github/workflows/sphinx_build_deploy.yml
index 42f5e50..44998f3 100644
--- a/.github/workflows/sphinx_build_deploy.yml
+++ b/.github/workflows/sphinx_build_deploy.yml
@@ -29,7 +29,7 @@ jobs:
           make html
 
       - name: Deploy to gh-pages
-        uses: peaciris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./site