diff --git a/requirements.txt b/requirements.txt
index 2e18b0b85..15024d447 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,10 +11,10 @@ oslo.config>=1.9.3,<1.10.0  # Apache-2.0
 oslo.i18n>=1.5.0,<1.6.0  # Apache-2.0
 oslo.utils>=1.4.0,<1.5.0                       # Apache-2.0
 oslo.serialization>=1.4.0,<1.5.0               # Apache-2.0
-python-glanceclient>=0.15.0
-python-keystoneclient>=1.1.0
-python-novaclient>=2.22.0
-python-cinderclient>=1.1.0
-python-neutronclient>=2.3.11,<3
+python-glanceclient>=0.15.0,<0.18.0
+python-keystoneclient>=1.1.0,<1.4.0
+python-novaclient>=2.22.0,<2.24.0
+python-cinderclient>=1.1.0,<1.2.0
+python-neutronclient>=2.3.11,<2.5.0
 requests>=2.2.0,!=2.4.0
 stevedore>=1.3.0,<1.4.0  # Apache-2.0