diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9c97fcc..893a4cb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,8 +1,10 @@
 name: CI lints and tests
-on:
-  push:
-    branches:
-      - "*"
+name: CI lints and tests
+  on:
+    push:
+      branches: [ "main" ]
+    pull_request:
+      branches: [ "main" ]
 
 concurrency:
   group: ${{ github.ref }}