diff --git a/requirements.txt b/requirements.txt
index 318634d4e..ea36acc9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,12 @@
 pbr>=0.5.21,<1.0
 WebOb>=1.2.3,<1.3
 kombu>=2.4.8
-iso8601>=0.1.4
+iso8601>=0.1.4,!=0.1.5,!=0.1.6
 argparse
 SQLAlchemy>=0.7.8,<=0.7.99
 sqlalchemy-migrate>=0.7.2
 alembic>=0.4.1
-netaddr
+netaddr>=0.7.6
 pymongo>=2.4
 eventlet>=0.13.0
 anyjson>=0.3.3
@@ -16,13 +16,13 @@ stevedore>=0.10
 msgpack-python
 python-glanceclient>=0.9.0
 python-novaclient>=2.15.0
-python-keystoneclient>=0.3.2
+python-keystoneclient>=0.4.1
 python-ceilometerclient>=1.0.6
 python-swiftclient>=1.5
 lxml>=2.3
 requests>=1.1
 six>=1.4.1
-WSME>=0.5b5
+WSME>=0.5b6
 PyYAML>=3.1.0
 oslo.config>=1.2.0
 happybase>=0.4