diff --git a/requirements.txt b/requirements.txt
index d926783f1911..511d869fe4aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,8 +2,8 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr<2.0,>=1.4
-SQLAlchemy<1.1.0,>=0.9.7
+pbr<2.0,>=1.6
+SQLAlchemy<1.1.0,>=0.9.9
 boto>=2.32.1
 decorator>=3.4.0
 eventlet>=0.17.4
@@ -19,7 +19,7 @@ PasteDeploy>=1.5.0
 Paste
 PrettyTable<0.8,>=0.7
 sqlalchemy-migrate>=0.9.6
-netaddr>=0.7.12
+netaddr!=0.7.16,>=0.7.12
 netifaces>=0.10.4
 paramiko>=1.13.0
 Babel>=1.3
@@ -35,7 +35,7 @@ stevedore>=1.5.0 # Apache-2.0
 setuptools>=16.0
 websockify>=0.6.1
 oslo.concurrency>=2.3.0 # Apache-2.0
-oslo.config>=2.1.0 # Apache-2.0
+oslo.config>=2.3.0 # Apache-2.0
 oslo.context>=0.2.0 # Apache-2.0
 oslo.log>=1.8.0 # Apache-2.0
 oslo.reports>=0.1.0 # Apache-2.0
@@ -47,8 +47,8 @@ oslo.messaging!=1.17.0,!=1.17.1,>=1.16.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.service>=0.7.0 # Apache-2.0
 rfc3986>=0.2.0 # Apache-2.0
-oslo.middleware!=2.6.0,>=2.4.0 # Apache-2.0
+oslo.middleware>=2.8.0 # Apache-2.0
 psutil<2.0.0,>=1.1.1
-oslo.versionedobjects>=0.6.0
+oslo.versionedobjects>=0.9.0
 alembic>=0.8.0
 os-brick>=0.3.2 # Apache-2.0