diff --git a/.github/workflows/push_tests.yml b/.github/workflows/push_tests.yml
index 749da4dea8..48e981f8fb 100644
--- a/.github/workflows/push_tests.yml
+++ b/.github/workflows/push_tests.yml
@@ -1,7 +1,7 @@
 name: Slow tests on main
 
 on:
-  push:
+  pull_request:
     branches:
       - main