diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 16e902a1..5fa946ba 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,6 +1,17 @@
 name: Test
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+concurrency:
+  group: >-
+    ${{ github.workflow }}-
+    ${{ github.ref_type }}-
+    ${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
 
 jobs:
   test: