diff --git a/setup.py b/setup.py
index 9058336..aa489c1 100644
--- a/setup.py
+++ b/setup.py
@@ -1,9 +1,8 @@
-#!/usr/bin/env python
-# -*- coding: utf-8  -*-
+# -*- coding: utf-8; -*-
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2012 Lance Edgar
+#  Copyright © 2010-2017 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -28,7 +27,7 @@ from setuptools import setup, find_packages
 
 
 here = os.path.abspath(os.path.dirname(__file__))
-execfile(os.path.join(here, 'rattail_cognitive', '_version.py'))
+exec(open(os.path.join(here, 'rattail_cognitive', '_version.py')).read())
 README = open(os.path.join(here, 'README.txt')).read()
 CHANGES = open(os.path.join(here, 'CHANGES.rst')).read()