diff --git a/.github/workflows/validate_python.yml b/.github/workflows/validate_python.yml
index f5be264..c60e5e7 100644
--- a/.github/workflows/validate_python.yml
+++ b/.github/workflows/validate_python.yml
@@ -6,6 +6,10 @@ on:
   push:
     paths:
       - '*.py'
+  pull_request:
+    paths:
+      - '*.py'
+  workflow_dispatch:
 
 jobs:
   flake8_py3: