diff --git a/requirements.txt b/requirements.txt
index d01246f7..c7abfada 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,15 +4,15 @@
 
 Babel>=2.3.4 # BSD
 pbr>=1.6 # Apache-2.0
-cliff!=1.16.0,!=1.17.0,>=1.15.0 # Apache-2.0
+cliff>=2.2.0 # Apache-2.0
 iso8601>=0.1.11 # MIT
 osc-lib>=1.0.2 # Apache-2.0
-PrettyTable<0.8,>=0.7 # BSD
+PrettyTable<0.8,>=0.7.1 # BSD
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.16.0 # Apache-2.0
 keystoneauth1>=2.10.0 # Apache-2.0
 python-swiftclient>=2.2.0 # Apache-2.0
-PyYAML>=3.1.0 # MIT
+PyYAML>=3.10.0 # MIT
 requests>=2.10.0 # Apache-2.0
 six>=1.9.0 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index 3870ce06..30ecbd49 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -12,7 +12,7 @@ mox3>=0.7.0 # Apache-2.0
 oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
 python-openstackclient>=2.1.0 # Apache-2.0
-sphinx!=1.3b1,<1.3,>=1.2.1 # BSD
+sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
 tempest>=12.1.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD