diff --git a/requirements.txt b/requirements.txt
index e69de29..9dbc011 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
diff --git a/setup.py b/setup.py
index 93952d8..566d844 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,5 @@
-#!/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.
 # You may obtain a copy of the License at
@@ -11,8 +12,18 @@
 # implied.
 # 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:
+    pass
+
 setuptools.setup(
-    setup_requires=['pbr'],
+    setup_requires=['pbr>=2.0.0'],
     pbr=True)
diff --git a/test-requirements.txt b/test-requirements.txt
index acfaf6a..b35c1ca 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,23 +1,26 @@
-coverage>=4.0  # Apache-2.0
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
+coverage!=4.4,>=4.0 # Apache-2.0
 discover
 dpath>=1.3.2
-fixtures>=3.0.0  # Apache-2.0/BSD
+fixtures>=3.0.0 # Apache-2.0/BSD
 # Hacking already pins down pep8, pyflakes and flake8
-hacking>=0.12.0,!=0.13.0,<0.14  # Apache-2.0
-mock>=2.0  # BSD
-openstackdocstheme>=1.11.0 # Apache-2.0
-paunch>=1.0.0  # Apache-2.0
+hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
+mock>=2.0.0 # BSD
+openstackdocstheme>=1.18.1 # Apache-2.0
+paunch>=1.0.0 # Apache-2.0
 reno>=2.5.0 # Apache-2.0
-requests>=2.10.0,!=2.12.2,!=2.13.0  # Apache-2.0
-requests-mock>=1.1  # Apache-2.0
+requests>=2.14.2 # Apache-2.0
+requests-mock>=1.1.0 # Apache-2.0
 salt
-sphinx>=1.6.2 # BSD
-testrepository>=0.0.18
-testscenarios>=0.4
-testtools>=1.4.0  # MIT
+sphinx!=1.6.6,>=1.6.2 # BSD
+testrepository>=0.0.18 # Apache-2.0/BSD
+testscenarios>=0.4 # Apache-2.0/BSD
+testtools>=2.2.0 # MIT
 yamllint>=1.2.0
-os-apply-config  # Apache-2.0
+os-apply-config>=5.0.0 # Apache-2.0
 
-python-heatclient>=1.6.1  # Apache-2.0
-python-keystoneclient>=3.8.0  # Apache-2.0
-python-openstackclient>=3.3.0  # Apache-2.0
+python-heatclient>=1.10.0 # Apache-2.0
+python-keystoneclient>=3.8.0 # Apache-2.0
+python-openstackclient>=3.12.0 # Apache-2.0