diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 358ac1def2..630e942961 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,7 +3,10 @@ name: CI
 permissions:
   contents: read
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [master]
+  pull_request:
 
 jobs:
   test: