diff --git a/requirements.txt b/requirements.txt
index ebb1c0c..4068b2b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,8 +7,8 @@
 # be installed in a specific order.
 #
 # PBR should always appear first
-pbr>=1.6
-python-zaqarclient>=0.3.0
-Babel>=1.3
-Django<1.9,>=1.8
-django-babel>=0.4.0
+pbr>=1.6 # Apache-2.0
+python-zaqarclient>=1.0.0 # Apache-2.0
+Babel>=2.3.4 # BSD
+Django<1.9,>=1.8 # BSD
+django-babel>=0.5.1 # BSD
diff --git a/setup.py b/setup.py
index 4a1874a..782bb21 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -13,8 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT
 import setuptools
 
+# In python < 2.7.4, a lazy loading of package `pbr` will break
+# setuptools if some other modules registered functions in `atexit`.
+# solution from: http://bugs.python.org/issue15881#msg170215
 try:
     import multiprocessing  # noqa
 except ImportError:
diff --git a/test-requirements.txt b/test-requirements.txt
index 1948ed7..207b058 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,20 +9,20 @@
 # Hacking should appear first in case something else depends on pep8
 hacking<0.11,>=0.10.2
 #
-coverage>=3.6
-django-nose>=1.2
-mock>=1.2
-mox3>=0.7.0
-nodeenv>=0.9.4 # BSD License
-nose
-nose-exclude
-nosehtmloutput>=0.0.3
-nosexcover
-openstack.nose-plugin>=0.7
-oslosphinx>=2.5.0,!=3.4.0  # Apache-2.0
-selenium
-sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
-testtools>=1.4.0
+coverage>=3.6 # Apache-2.0
+django-nose>=1.4.4 # BSD
+mock>=2.0 # BSD
+mox3>=0.7.0 # Apache-2.0
+nodeenv>=0.9.4 # BSD License  # BSD
+nose # LGPL
+nose-exclude # LGPL
+nosehtmloutput>=0.0.3 # Apache-2.0
+nosexcover # BSD
+openstack.nose-plugin>=0.7 # Apache-2.0
+oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
+selenium>=2.50.1 # Apache-2.0
+sphinx!=1.3b1,<1.3,>=1.2.1 # BSD
+testtools>=1.4.0 # MIT
 # This also needs xvfb library installed on your OS
 xvfbwrapper>=0.1.3 #license: MIT
 # Include horizon as test requirement