diff --git a/.github/workflows/build_mac.yml b/.github/workflows/build_mac.yml
index 782b7d64..b4cac857 100644
--- a/.github/workflows/build_mac.yml
+++ b/.github/workflows/build_mac.yml
@@ -2,6 +2,8 @@ name: Build and Test
 on:
   pull_request:
   push:
+    branches:
+      - main
   workflow_dispatch:
 
 jobs: