diff --git a/python/setup.cfg b/python/setup.cfg
deleted file mode 100644
index 2a9acf1..0000000
--- a/python/setup.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-[bdist_wheel]
-universal = 1
diff --git a/python/setup.py b/python/setup.py
index cd4da26..50272bd 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -29,6 +29,7 @@ setuptools.setup(
 	description = "High quality QR Code generator library for Python",
 	version = "1.6.0",
 	platforms = "OS Independent",
+	python_requires = '>=3',
 	license = "MIT License",
 	
 	author = "Project Nayuki",