diff --git a/requirements.txt b/requirements.txt
index a4bad5f083..1f03188832 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 pbr>=1.6
 SQLAlchemy<1.1.0,>=0.9.9
 eventlet>=0.17.4
-keystonemiddleware>=2.0.0
+keystonemiddleware!=2.4.0,>=2.0.0
 kombu>=3.0.7
 Routes!=2.0,!=2.1,>=1.12.3;python_version=='2.7'
 Routes!=2.0,>=1.12.3;python_version!='2.7'
@@ -17,12 +17,12 @@ netifaces>=0.10.4
 httplib2>=0.7.5
 lxml>=2.3
 passlib>=1.6
-python-heatclient>=0.3.0
-python-novaclient>=2.28.1
+python-heatclient>=0.6.0
+python-novaclient>=2.29.0
 python-cinderclient>=1.3.1
-python-keystoneclient>=1.6.0
+python-keystoneclient!=1.8.0,>=1.6.0
 python-swiftclient>=2.2.0
-python-designateclient>=1.0.0
+python-designateclient>=1.5.0
 python-neutronclient>=2.6.0
 iso8601>=0.1.9
 jsonschema!=2.5.0,<3.0.0,>=2.0.0
@@ -32,13 +32,13 @@ oslo.config>=2.3.0 # Apache-2.0
 oslo.context>=0.2.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.serialization>=1.4.0 # Apache-2.0
-oslo.service>=0.7.0 # Apache-2.0
-oslo.utils>=2.0.0 # Apache-2.0
+oslo.service>=0.10.0 # Apache-2.0
+oslo.utils!=2.6.0,>=2.4.0 # Apache-2.0
 oslo.concurrency>=2.3.0 # Apache-2.0
 MySQL-python;python_version=='2.7'
 Babel>=1.3
 six>=1.9.0
 stevedore>=1.5.0 # Apache-2.0
-oslo.messaging!=1.17.0,!=1.17.1,>=1.16.0 # Apache-2.0
+oslo.messaging!=1.17.0,!=1.17.1,!=2.6.0,!=2.6.1,>=1.16.0 # Apache-2.0
 osprofiler>=0.3.0 # Apache-2.0
 oslo.log>=1.8.0 # Apache-2.0