diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 5b1a433..f0427b3 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -2,9 +2,13 @@ name: Python package
 
 on:
   push:
-    branches: [ master ]
+    branches:
+      - master
+      - dev-4.0.0
   pull_request:
-    branches: [ master ]
+    branches:
+      - master
+      - dev-4.0.0
 
 jobs:
   build: