diff --git a/requirements.txt b/requirements.txt
index f4d068e..68bf525 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,11 +3,11 @@
 # process, which may cause wedges in the gate later.
 
 Babel>=2.3.4 # BSD
-cliff!=1.16.0,!=1.17.0,>=1.15.0 # Apache-2.0
+cliff>=2.2.0 # Apache-2.0
 osc-lib>=1.0.2 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.utils>=3.16.0 # Apache-2.0
 pbr>=1.6 # Apache-2.0
-PrettyTable<0.8,>=0.7 # BSD
+PrettyTable<0.8,>=0.7.1 # BSD
 python-keystoneclient!=2.1.0,>=2.0.0 # Apache-2.0
 six>=1.9.0 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index f77fb93..74bc88c 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,7 +9,7 @@ mock>=2.0 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
 python-subunit>=0.0.18 # Apache-2.0/BSD
-sphinx!=1.3b1,<1.3,>=1.2.1 # BSD
+sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT