diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a89b76b..2e8364e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,10 @@
 name: ci
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+    - master
 
 jobs:
   TestMatrix: