diff --git a/setup.py b/setup.py
index 255b829..e7f6b86 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 # THE SOFTWARE.
 #
 
-from setuptools import setup, find_packages
+from setuptools import setup, find_namespace_packages
 
 with open('README.md') as f:
     readme = f.read()
@@ -28,7 +28,7 @@
     license = f.read()
 
 setup(name='python-slimta',
-      version='5.0.1',
+      version='5.0.2',
       author='Ian Good',
       author_email='ian@icgood.net',
       description='Lightweight, asynchronous SMTP libraries.',
@@ -37,8 +37,7 @@
       license='MIT',
       url='http://slimta.org/',
       include_package_data=True,
-      packages=find_packages(),
-      namespace_packages=['slimta'],
+      packages=find_namespace_packages(include=['slimta.*']),
       install_requires=['gevent >= 1.1rc',
                         'pysasl >= 0.5.0',
                         'pycares >= 1'],
diff --git a/slimta/__init__.py b/slimta/__init__.py
deleted file mode 100644
index 2edd7c8..0000000
--- a/slimta/__init__.py
+++ /dev/null
@@ -1,26 +0,0 @@
-# Copyright (c) 2014 Ian C. Good
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-#
-
-
-__import__('pkg_resources').declare_namespace(__name__)
-
-
-# vim:et:fdm=marker:sts=4:sw=4:ts=4