diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 44d7fae..c46c767 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -24,6 +24,7 @@ jobs:
       - run: mdbook build
 
       - name: Deploy
+        if: ${{ github.event_name == 'push' }}
         uses: peaceiris/actions-gh-pages@v3
         # if: ${{ github.ref == 'refs/heads/main' }}
         with: