diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d5e7ad1..7ec1fae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,7 +1,13 @@
 name: CI
 run-name: ${{ github.actor}} runs CI
 
-on: [push]
+on:
+  pull_request:
+    branches:
+      - main
+      - master
+      - staging
+      - development
 
 jobs:
   ci-tests: