diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 4a60393a..736b1a84 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -1,5 +1,7 @@
 name: "Regression testing"
-on: push
+on:
+  - push
+  - pull_request
 
 jobs:
   unix-testing: