diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f05122757..7f42759fe 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,8 @@
 name: build
 on:
   push:
+    branches:
+      - master
   pull_request:
     branches:
       - master