diff --git a/.github/workflows/python-testing.yml b/.github/workflows/python-testing.yml
index b237da8..51a7353 100644
--- a/.github/workflows/python-testing.yml
+++ b/.github/workflows/python-testing.yml
@@ -5,8 +5,7 @@ name: Python application
 
 on:
   push:
-    branches:
-      - '*'
+    branches: [ "main" ]
   pull_request:
     branches: [ "main" ]