diff --git a/requirements.txt b/requirements.txt
index 205859d0ec..60255853b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,14 +2,14 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 pbr<2.0,>=1.6
-SQLAlchemy<1.1.0,>=0.9.7
+SQLAlchemy<1.1.0,>=0.9.9
 alembic>=0.8.0
 automaton>=0.5.0 # Apache-2.0
 eventlet>=0.17.4
 lxml>=2.3
 WebOb>=1.2.3
 greenlet>=0.3.2
-netaddr>=0.7.12
+netaddr!=0.7.16,>=0.7.12
 paramiko>=1.13.0
 iso8601>=0.1.9
 python-neutronclient<3,>=2.6.0
@@ -27,7 +27,7 @@ oslo.db>=2.4.1 # Apache-2.0
 oslo.rootwrap>=2.0.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=1.8.0 # Apache-2.0
-oslo.middleware>=2.8.0  # Apache-2.0
+oslo.middleware>=2.8.0 # Apache-2.0
 oslo.policy>=0.5.0 # Apache-2.0
 oslo.serialization>=1.4.0 # Apache-2.0
 oslo.service>=0.7.0 # Apache-2.0
@@ -41,5 +41,5 @@ Jinja2>=2.6 # BSD License (3 clause)
 keystonemiddleware>=2.0.0
 oslo.messaging!=1.17.0,!=1.17.1,>=1.16.0 # Apache-2.0
 retrying!=1.3.0,>=1.2.3 # Apache-2.0
-oslo.versionedobjects>=0.6.0
+oslo.versionedobjects>=0.9.0
 jsonschema!=2.5.0,<3.0.0,>=2.0.0