diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 267c1ca0..21373fbf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -57,6 +57,7 @@ jobs:
 
   deploy:
     needs: build
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
     permissions:
       pages: write