diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0a3e568..967fbb2 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,6 +1,10 @@
 name: CI
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - master
+  pull_request:
 
 jobs:
   test: