diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 3427d7b0..6d158e0f 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -1,6 +1,10 @@
 name: Build
 
-on: [push]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   build-os: