diff --git a/requirements.txt b/requirements.txt
index c4141a1f..227cf33d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,12 +2,12 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr<2.0,>=0.11
+pbr<2.0,>=1.3
 
 Babel>=1.3
 netaddr>=0.7.12
 oslo.i18n>=1.5.0 # Apache-2.0
-oslo.utils>=1.6.0 # Apache-2.0
+oslo.utils>=1.9.0 # Apache-2.0
 python-keystoneclient>=1.6.0
 requests>=2.5.2
 six>=1.9.0
diff --git a/setup.py b/setup.py
index 056c16c2..d8080d05 100644
--- a/setup.py
+++ b/setup.py
@@ -25,5 +25,5 @@ except ImportError:
     pass
 
 setuptools.setup(
-    setup_requires=['pbr'],
+    setup_requires=['pbr>=1.3'],
     pbr=True)
diff --git a/test-requirements.txt b/test-requirements.txt
index db88d6f9..4f572aed 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,8 @@ hacking<0.11,>=0.10.0
 
 coverage>=3.6
 discover
-mock>=1.0
+mock>=1.1;python_version!='2.6'
+mock==1.0.1;python_version=='2.6'
 oslo.config>=1.11.0 # Apache-2.0
 oslosphinx>=2.5.0 # Apache-2.0
 python-neutronclient<3,>=2.3.11