diff --git a/requirements.txt b/requirements.txt
index 4a907d6..1f21066 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,10 +6,9 @@ Babel!=2.4.0,>=2.3.4 # BSD
 
 Paste # MIT
 PasteDeploy>=1.5.0 # MIT
-Routes!=2.0,!=2.1,!=2.3.0,>=1.12.3;python_version=='2.7' # MIT
-Routes!=2.0,!=2.3.0,>=1.12.3;python_version!='2.7' # MIT
+Routes>=2.3.1 # MIT
 debtcollector>=1.2.0 # Apache-2.0
-eventlet!=0.18.3,>=0.18.2 # MIT
+eventlet!=0.18.3,<0.21.0,>=0.18.2 # MIT
 pecan!=1.0.2,!=1.0.3,!=1.0.4,!=1.2,>=1.0.0 # BSD
 greenlet>=0.3.2 # MIT
 httplib2>=0.7.5 # MIT
@@ -24,22 +23,22 @@ alembic>=0.8.10 # MIT
 six>=1.9.0 # MIT
 stevedore>=1.20.0 # Apache-2.0
 oslo.concurrency>=3.8.0 # Apache-2.0
-oslo.config>=3.22.0 # Apache-2.0
-oslo.context>=2.12.0 # Apache-2.0
-oslo.db>=4.19.0 # Apache-2.0
-oslo.i18n>=2.1.0 # Apache-2.0
+oslo.config>=4.0.0 # Apache-2.0
+oslo.context>=2.14.0 # Apache-2.0
+oslo.db>=4.21.1 # Apache-2.0
+oslo.i18n!=3.15.2,>=2.1.0 # Apache-2.0
 oslo.log>=3.22.0 # Apache-2.0
-oslo.messaging>=5.19.0 # Apache-2.0
-oslo.middleware>=3.10.0 # Apache-2.0
+oslo.messaging!=5.25.0,>=5.24.2 # Apache-2.0
+oslo.middleware>=3.27.0 # Apache-2.0
 oslo.policy>=1.17.0 # Apache-2.0
 oslo.rootwrap>=5.0.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.service>=1.10.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0
 oslo.versionedobjects>=1.17.0 # Apache-2.0
-sqlalchemy-migrate>=0.9.6 # Apache-2.0
-python-openstackclient>=3.3.0 # Apache-2.0
-python-neutronclient>=5.1.0 # Apache-2.0
-python-cinderclient>=2.0.1 # Apache-2.0
+sqlalchemy-migrate>=0.11.0 # Apache-2.0
+python-openstackclient!=3.10.0,>=3.3.0 # Apache-2.0
+python-neutronclient>=6.3.0 # Apache-2.0
+python-cinderclient>=2.1.0 # Apache-2.0
 python-novaclient>=7.1.0 # Apache-2.0
 python-keystoneclient>=3.8.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 8f0a5b6..5de028d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,13 +2,13 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-cliff>=2.3.0 # Apache-2.0
-coverage>=4.0 # Apache-2.0
+cliff>=2.6.0 # Apache-2.0
+coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0 # BSD
 python-subunit>=0.0.18 # Apache-2.0/BSD
 requests-mock>=1.1 # Apache-2.0
-sphinx>=1.5.1 # BSD
+sphinx!=1.6.1,>=1.5.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
@@ -19,4 +19,4 @@ oslotest>=1.10.0 # Apache-2.0
 os-testr>=0.8.0 # Apache-2.0
 tempest-lib>=0.14.0 # Apache-2.0
 ddt>=1.0.1 # MIT
-pylint==1.4.5 # GPLv2
+pylint==1.7.1 # GPLv2