diff --git a/requirements.txt b/requirements.txt
index 5d0086cc81c..e86c89894e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ PasteDeploy>=1.5.0 # MIT
 Routes!=2.0,!=2.1,>=1.12.3;python_version=='2.7' # MIT
 Routes!=2.0,>=1.12.3;python_version!='2.7' # MIT
 debtcollector>=1.2.0 # Apache-2.0
-eventlet!=0.18.0,>=0.17.4 # MIT
+eventlet>=0.18.2 # MIT
 pecan>=1.0.0 # BSD
 greenlet>=0.3.2 # MIT
 httplib2>=0.7.5 # MIT
@@ -19,7 +19,7 @@ netaddr!=0.7.16,>=0.7.12 # BSD
 neutron-lib>=0.0.1 # Apache-2.0
 python-neutronclient>=2.6.0 # Apache-2.0
 retrying!=1.3.0,>=1.2.3 # Apache-2.0
-ryu!=3.29,>=3.23.2 # Apache-2.0
+ryu>=3.30 # Apache-2.0
 SQLAlchemy<1.1.0,>=1.0.10 # MIT
 WebOb>=1.2.3 # MIT
 keystoneauth1>=2.1.0 # Apache-2.0
@@ -40,7 +40,7 @@ oslo.rootwrap>=2.0.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.service>=1.0.0 # Apache-2.0
 oslo.utils>=3.4.0 # Apache-2.0
-oslo.versionedobjects>=1.4.0 # Apache-2.0
+oslo.versionedobjects>=1.5.0 # Apache-2.0
 ovs>=2.4.0;python_version=='2.7' # Apache-2.0
 
 python-novaclient!=2.33.0,>=2.29.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 550510fdca2..90cbcb7e0bd 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 hacking<0.11,>=0.10.0
 
-cliff>=1.15.0 # Apache-2.0
+cliff!=1.16.0,>=1.15.0 # Apache-2.0
 coverage>=3.6 # Apache-2.0
 fixtures>=1.3.1 # Apache-2.0/BSD
 mock>=1.2 # BSD