diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index f3f634f..46bd409 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -1,6 +1,9 @@
 name: Run lint and tests
 
-on: [push]
+on:
+  pull_request:
+    branches:
+      - master
 
 jobs:
   build: