diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..3e34294
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,7 @@
+#!/usr/bin/env python
+import os
+from setuptools import setup
+
+
+# see setup.cfg
+setup(python_requires='>3.7')