cryptography.vectors
diff --git a/setup.py b/setup.py
index 1dfb80d..1051b42 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,8 @@
 test_requirements = [
     "pytest",
     "pretend",
-    "iso8601"
+    "iso8601",
+    "cryptography.vectors=={0}".format(about['__version__'])
 ]
 
 
@@ -127,6 +128,7 @@
     ],
 
     packages=find_packages(exclude=["tests", "tests.*"]),
+    namespace_packages=['cryptography'],
 
     install_requires=requirements,
     setup_requires=requirements,