diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 699bc89..593d608 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -37,5 +37,6 @@ jobs:
           # Upload entire repository
           path: '.'
       - name: Deploy to GitHub Pages
+        if: github.ref == 'refs/heads/master'
         id: deployment
         uses: actions/deploy-pages@v4