diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1aa7505..003c366 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,8 +1,10 @@
 name: ci
 
 on:
-  - push
-  - pull_request
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   build: