diff --git a/setup.py b/setup.py
index 7c2bdd8a..b64677cd 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,8 @@ setup(
     name="docker-py",
     version=version,
     description="Python client for Docker.",
-    packages=['docker', 'docker.auth', 'docker.unixconn', 'docker.utils'],
+    namespace_packages=['docker'],
+    packages=['docker.auth', 'docker.unixconn', 'docker.utils'],
     install_requires=requirements + test_requirements,
     zip_safe=False,
     test_suite='tests',