diff --git a/.github/workflows/04-code-checks.yml b/.github/workflows/04-code-checks.yml
index b983e49..9303f54 100644
--- a/.github/workflows/04-code-checks.yml
+++ b/.github/workflows/04-code-checks.yml
@@ -1,6 +1,6 @@
 name: Code checks
 
-on: push
+on: [push, pull_request]
 
 jobs:
   job1: