diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6925d4e..331f101 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -2,6 +2,8 @@ on:
   push:
     branches: [main]
   pull_request:
+    types: [ opened, synchronize, reopened ]
+    branches: [ '**' ]  # run for PRs targeting any branch (main and others)
 name: Run acceptance tests
 
 jobs: