diff --git a/.github/workflows/runtests.yml b/.github/workflows/runtests.yml
index 277ca6f..bce9b51 100644
--- a/.github/workflows/runtests.yml
+++ b/.github/workflows/runtests.yml
@@ -1,10 +1,9 @@
 name: Run tests
 
 on:
-  push:
+  pull_request:
     branches:
       - main
-  pull_request:
 
 # needed to allow julia-actions/cache to delete old caches that it has created
 permissions: