diff --git a/.github/workflows/check-python.yml b/.github/workflows/check-python.yml
index 142d544a..028f35ba 100644
--- a/.github/workflows/check-python.yml
+++ b/.github/workflows/check-python.yml
@@ -2,9 +2,9 @@ name: Check Python code
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build: