diff --git a/doc-requirements.txt b/doc-requirements.txt
new file mode 100644
index 0000000000..be3b93fe60
--- /dev/null
+++ b/doc-requirements.txt
@@ -0,0 +1,12 @@
+actdiag
+blockdiag
+docutils==0.11
+nwdiag
+oslosphinx
+seqdiag
+sphinx
+sphinxcontrib-actdiag
+sphinxcontrib-blockdiag
+sphinxcontrib-nwdiag
+sphinxcontrib-seqdiag
+graphviz
diff --git a/requirements.txt b/requirements.txt
index a200003e85..7de542d49f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,43 +1,33 @@
-actdiag
+# 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.
 alembic>=0.7.1
-blockdiag
-docutils==0.11
-nwdiag
-oslosphinx
-pecan>=0.7.0
-pbr>=0.6,<1.0
-seqdiag
-sphinx
-sphinxcontrib-actdiag
-sphinxcontrib-blockdiag
-sphinxcontrib-nwdiag
-sphinxcontrib-seqdiag
-SQLAlchemy>=0.7.8,<=0.9.99
-graphviz
-
+pecan>=0.8.0
+pbr>=0.6,!=0.7,<1.0
+SQLAlchemy>=0.9.7,<=0.9.99
 anyjson>=0.3.3
 Babel>=1.3
-eventlet>=0.13.0
-requests>=1.2.1
+eventlet>=0.15.2
+requests>=2.2.0,!=2.4.0
 jsonrpclib
-netaddr>=0.7.6
+netaddr>=0.7.12
 python-neutronclient>=2.3.6,<3
 WebOb>=1.2.3
 six>=1.7.0
-oslo.config>=1.4.0  # Apache-2.0
-oslo.db>=1.1.0  # Apache-2.0
+oslo.config>=1.6.0  # Apache-2.0
+oslo.db>=1.3.0  # Apache-2.0
 oslo.i18n>=1.0.0  # Apache-2.0
-oslo.messaging>=1.4.0
-oslo.middleware>=0.1.0                  # Apache-2.0
+oslo.messaging>=1.4.0,!=1.5.0
+oslo.middleware>=0.3.0                  # Apache-2.0
 oslo.rootwrap>=1.3.0
-oslo.serialization>=1.0.0               # Apache-2.0
-oslo.utils>=1.0.0                       # Apache-2.0
-PyMySQL>=0.6.3
-python-barbicanclient>=3.0
+oslo.serialization>=1.2.0               # Apache-2.0
+oslo.utils>=1.2.0                       # Apache-2.0
+PyMySQL>=0.6.2  # MIT License
+python-barbicanclient>=2.1.0,!=3.0.0
 python-keystoneclient>=0.11.1
-python-novaclient>=2.17.0
+python-novaclient>=2.18.0
 posix_ipc
-pyOpenSSL>=0.14
-wsme==0.6.1
+pyOpenSSL>=0.11
+WSME>=0.6
 pyasn1
 pyasn1_modules
diff --git a/setup.py b/setup.py
index b96f524bb6..736375744d 100755
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# Copyright (c) 2014 eNovance
+# 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.
@@ -14,8 +14,17 @@
 # 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'],
     pbr=True)
diff --git a/test-requirements.txt b/test-requirements.txt
index 677127fcbf..aa57c1ba4a 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,14 +1,17 @@
+# 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.
 hacking>=0.9.1,<0.10
 
-cliff>=1.6.0
+cliff>=1.7.0  # Apache-2.0
 coverage>=3.6
 discover
 fixtures>=0.3.14
 mock>=1.0
 python-subunit>=0.0.18
 ordereddict
-oslotest==1.0.0
+oslotest>=1.2.0  # Apache-2.0
 testrepository>=0.0.18
-testtools>=0.9.34
+testtools>=0.9.36,!=1.2.0
 WebTest>=2.0
 doc8
diff --git a/tox.ini b/tox.ini
index e72cc5485c..df4921c50f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,6 +9,7 @@ setenv = VIRTUAL_ENV={envdir}
 install_command = pip install -U {opts} {packages}
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
+       -r{toxinidir}/doc-requirements.txt
 commands = python setup.py testr --slowest --testr-args='{posargs}'
 
 [testenv:pep8]