diff --git a/setup.py b/setup.py
index a33a74be..141eccb4 100644
--- a/setup.py
+++ b/setup.py
@@ -1,9 +1,16 @@
 from setuptools import setup
 
+
+def read_file(file):
+    with open(file, 'rb') as fh:
+        data = fh.read()
+
+    return data.decode('utf-8')
+
 setup(name='pyshp',
       version='2.0.0',
       description='Pure Python read/write support for ESRI Shapefile format',
-      long_description=open('README.md').read(),
+      long_description=read_file('README.md'),
       author='Joel Lawhead',
       author_email='jlawhead@geospatialpython.com',
       url='https://github.com/GeospatialPython/pyshp',
@@ -12,7 +19,10 @@
       license='MIT',
       zip_safe=False,
       keywords='gis geospatial geographic shapefile shapefiles',
+      python_requires='>= 2.7',
       classifiers=['Programming Language :: Python',
+                   'Programming Language :: Python :: 2.7',
+                   'Programming Language :: Python :: 3',
                    'Topic :: Scientific/Engineering :: GIS',
                    'Topic :: Software Development :: Libraries',
                    'Topic :: Software Development :: Libraries :: Python Modules'])