diff --git a/setup.cfg b/setup.cfg
index ed8626d..b5da4cf 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -12,3 +12,5 @@ cover-html-dir = coverage/
 source-dir = doc/
 build-dir = doc/build/
 
+[wheel]
+universal = 1
\ No newline at end of file
diff --git a/setup.py b/setup.py
index d10aef2..6b9a7ee 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 from setuptools import find_packages, setup
 
 __version__ = None
-execfile('happybase/_version.py')
+exec(open('happybase/_version.py', 'r').read())
 
 
 def get_file_contents(filename):