diff --git a/requirements.txt b/requirements.txt
index 219962d4a41..d410b0385c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,16 +10,16 @@ kombu>=2.4.8
 lockfile>=0.8
 lxml>=2.3
 netaddr
-oslo.config>=1.1.0
+oslo.config>=1.2.0
 paramiko>=1.8.0
 Paste
 PasteDeploy>=1.5.0
 python-glanceclient>=0.9.0
-python-keystoneclient>=0.3.0
+python-keystoneclient>=0.3.2
 python-novaclient>=2.15.0
 python-swiftclient>=1.5
 Routes>=1.12.3
-six
+six>=1.4.1
 SQLAlchemy>=0.7.8,<=0.7.99
 sqlalchemy-migrate>=0.7.2
 stevedore>=0.10
diff --git a/setup.py b/setup.py
index 2a0786a8b28..70c2b3f32bd 100644
--- a/setup.py
+++ b/setup.py
@@ -18,5 +18,5 @@
 import setuptools
 
 setuptools.setup(
-    setup_requires=['pbr>=0.5.21,<1.0'],
+    setup_requires=['pbr'],
     pbr=True)