diff --git a/requirements-py3.txt b/requirements-py3.txt
index 426cb94..57a150f 100644
--- a/requirements-py3.txt
+++ b/requirements-py3.txt
@@ -3,11 +3,11 @@
 # process, which may cause wedges in the gate later.
 
 pbr>=0.6,!=0.7,<1.0
-Babel>=0.9.6
+Babel>=1.3
 iso8601>=0.1.9
 fixtures>=0.3.14
 oslo.config>=1.4.0.0a3
-oslo.i18n>=0.1.0
-oslo.utils>=0.2.0
+oslo.i18n>=0.2.0  # Apache-2.0
+oslo.utils>=0.2.0                       # Apache-2.0
 posix_ipc
 six>=1.7.0
diff --git a/requirements.txt b/requirements.txt
index e5a8987..07df270 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,13 +2,13 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-Babel>=0.9.6
+Babel>=1.3
 iso8601>=0.1.9
-eventlet>=0.13.0
+eventlet>=0.15.1
 greenlet>=0.3.2
 fixtures>=0.3.14
 oslo.config>=1.4.0.0a3
-oslo.i18n>=0.2.0
-oslo.utils>=0.2.0
+oslo.i18n>=0.2.0  # Apache-2.0
+oslo.utils>=0.2.0                       # Apache-2.0
 posix_ipc
 six>=1.7.0
diff --git a/setup.py b/setup.py
index 70c2b3f..7363757 100755
--- a/setup.py
+++ b/setup.py
@@ -17,6 +17,14 @@
 # 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 ef8f44c..5837b24 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,8 +3,8 @@
 # process, which may cause wedges in the gate later.
 
 hacking>=0.9.1,<0.10
-oslotest
+oslotest>=1.1.0.0a2
 
 # These are needed for docs generation
-oslosphinx
+oslosphinx>=2.2.0.0a2
 sphinx>=1.1.2,!=1.2.0,<1.3