diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0f2894e..9f0509e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,12 @@
 name: CI
-on: [push, pull_request]
+on:
+  push:
+    branches:
+    - master
+
+  pull_request:
+    branches:
+    - master
 
 jobs:
   build: