2 files changed, 10 insertions, 2 deletions

diff --git a/requirements.txt b/requirements.txt
index f0d4737..7afb091 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Babel>=1.3
 iso8601>=0.1.9
 netaddr>=0.7.6
 oslo.config>=1.2.0
-oslo.messaging>=1.3.0a9
+oslo.messaging>=1.3.0
 pytz>=2010h
-six>=1.5.2
+six>=1.6.0
 WebOb>=1.2.3
diff --git a/setup.py b/setup.py
index 70c2b3f..7363757 100644
--- 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)