diff --git a/requirements.txt b/requirements.txt
index 471b3389..40a747e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,17 +1,14 @@
-oslo.config>=1.2.1,<=1.11.0
+oslo.config>=1.2.1,<1.10.0
 
-oslo.utils<=1.2.1
-oslo.i18n<=1.3.1
-
-python-cinderclient>=1.0.7,<=1.1.1
-python-ceilometerclient>=1.0.9,<=1.0.13
-python-keystoneclient>=0.11,<=1.1.0
-python-muranoclient>=0.2.11,<=0.5.7
-python-novaclient>=2.17.0,<=2.23.0
-python-neutronclient>=2.3.6,<=2.3.11
-python-heatclient>=0.2.9,<=0.3.0
-python-glanceclient>=0.14.1,<=0.17.0
-python-saharaclient>=0.6.0,<=0.8.0
+python-cinderclient>=1.0.7,<1.2.0
+python-ceilometerclient>=1.0.9,<1.1.0
+python-keystoneclient>=0.11,<1.4.0
+python-muranoclient>=0.2.11,<0.6.0
+python-novaclient>=2.17.0,<2.24.0
+python-neutronclient>=2.3.6,<2.5.0
+python-heatclient>=0.2.9,<0.5.0
+python-glanceclient>=0.14.1,<0.18.0
+python-saharaclient>=0.6.0,<0.9.0
 
 paramiko>=1.10.1
 requests>=1.2.3
@@ -25,10 +22,9 @@ amqp
 anyjson
 gevent==0.13.8
 importlib
-keystonemiddleware>=1.2.0,<=1.3.1
+keystonemiddleware>=1.2.0,<1.6.0
 kombu
 oslo.serialization>=1.0.0,<1.5.0
 pecan>=0.3.0,<0.6.0
 psycopg2>=2.5.1
-stevedore>=0.10
-
+stevedore>=0.10,<1.4.0