diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index f1e2fcbb87..0cb7fbc95b 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -1,6 +1,10 @@
 name: pytest
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   build: