diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 17ac1e8..0ea8328 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -2,6 +2,8 @@ name: Run Pytest
 on:
   push:
     branches: [master]
+  pull_request:
+    branches: [master]
 jobs:  
   build:  
     runs-on: ubuntu-latest