diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c8afcb7e..45e3feab 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,6 +1,9 @@
 name: Test
 
-on: [push, pull_request]
+on:
+  push:
+    branches: master
+  pull_request:
 
 jobs: