diff --git a/requirements.txt b/requirements.txt
index eef1a11579b..7b78bcea1f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ greenlet>=0.3.2 # MIT
 httplib2>=0.7.5 # MIT
 requests!=2.12.2,>=2.10.0 # Apache-2.0
 Jinja2>=2.8 # BSD License (3 clause)
-keystonemiddleware!=4.5.0,>=4.2.0 # Apache-2.0
+keystonemiddleware>=4.12.0 # Apache-2.0
 netaddr!=0.7.16,>=0.7.13 # BSD
 netifaces>=0.10.4 # MIT
 neutron-lib>=1.0.0 # Apache-2.0
@@ -31,13 +31,13 @@ oslo.cache>=1.5.0 # Apache-2.0
 oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 oslo.context>=2.9.0 # Apache-2.0
-oslo.db!=4.13.1,!=4.13.2,>=4.11.0 # Apache-2.0
+oslo.db>=4.13.3 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
 oslo.messaging>=5.14.0 # Apache-2.0
 oslo.middleware>=3.0.0 # Apache-2.0
 oslo.policy>=1.17.0 # Apache-2.0
-oslo.privsep>=1.9.0  # Apache-2.0
+oslo.privsep>=1.9.0 # Apache-2.0
 oslo.reports>=0.6.0 # Apache-2.0
 oslo.rootwrap>=5.0.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
@@ -46,7 +46,7 @@ oslo.utils>=3.18.0 # Apache-2.0
 oslo.versionedobjects>=1.17.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0
 ovs>=2.6.1 # Apache-2.0
-pyroute2>=0.4.3  # Apache-2.0 (+ dual licensed GPL2)
+pyroute2>=0.4.3 # Apache-2.0 (+ dual licensed GPL2)
 
 python-novaclient!=2.33.0,>=2.29.0 # Apache-2.0
 python-designateclient>=1.5.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 675ee511e02..b55ee823dcb 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -20,5 +20,5 @@ ddt>=1.0.1 # MIT
 pylint==1.4.5 # GPLv2
 reno>=1.8.0 # Apache-2.0
 # Needed to run DB commands in virtualenvs
-PyMySQL!=0.7.7,>=0.7.6 # MIT License
+PyMySQL>=0.7.6 # MIT License
 tempest>=12.1.0 # Apache-2.0