@@ -50,7 +50,7 @@ and [`distributed`](https://distributed.readthedocs.io/en/latest/).

 ## Installation

-`adaptive` works with Python 3.5 and higher on Linux, Windows, or Mac, and provides optional extensions for working with the Jupyter/IPython Notebook.

+`adaptive` works with Python 3.6 and higher on Linux, Windows, or Mac, and provides optional extensions for working with the Jupyter/IPython Notebook.

 The recommended way to install adaptive is using `pip`:

 ```bash

@@ -1,9 +1,14 @@

 #!/usr/bin/env python3

 # -*- coding: utf-8 -*-

+import sys

 from setuptools import setup

+if sys.version_info < (3, 6):

+    print('adaptive requires Python 3.6 or above.')

+    sys.exit(1)

+

 install_requires = [

     'scipy',

     'ipython',

@@ -19,6 +24,7 @@ extras_require = {

         'distributed',

         'ipywidgets',

     ],

+}

 setup(

     name='adaptive',