diff --git a/requirements.txt b/requirements.txt
index ab1d40c93..32b6e3c17 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,17 +1,17 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-cliff>=1.7.0 # Apache-2.0
-eventlet>=0.16.1
+Babel>=1.3
+cliff>=1.10.0,<1.11.0  # Apache-2.0
+eventlet>=0.16.1,!=0.17.0
 Flask>=0.10,<1.0
-keystonemiddleware>=1.0.0
+keystonemiddleware>=1.5.0
 python-ironicclient>=0.2.1
 python-keystoneclient>=1.1.0
 python-openstackclient>=1.0.0
 requests>=2.2.0,!=2.4.0
-oslo.config>=1.9.0  # Apache-2.0
-oslo.i18n>=1.3.0  # Apache-2.0
-oslo.utils>=1.2.0                       # Apache-2.0
-six>=1.7.0
-stevedore>=1.1.0
-Babel>=1.3
+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
+six>=1.9.0
+stevedore>=1.3.0,<1.4.0  # Apache-2.0