diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 24de72f..cc5baed 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,11 @@
 name: CI checks
 
-on: push
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches:
+      - "**"
 
 jobs:
   test: