diff --git a/.github/workflows/workflows.yaml b/.github/workflows/workflows.yaml
index 06ba9636..4ad85be6 100644
--- a/.github/workflows/workflows.yaml
+++ b/.github/workflows/workflows.yaml
@@ -1,6 +1,9 @@
 name: Python package
 
-on: [push]
+on:
+  push:
+  pull_request:
+    types: [opened, reopened]
 jobs:
   pytest:
     runs-on: ${{ matrix.os }}