diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2766b807..a5aa6ad6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,10 +1,7 @@
 name: CI
 
 on:
-  push:
-    branches:
-      - '**'
-      - '!main'
+  pull_request:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}