diff --git a/requirements.txt b/requirements.txt
index 6ccd284..adb3a21 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,9 +3,10 @@
 # process, which may cause wedges in the gate later.
 
 pbr>=1.6 # Apache-2.0
-Babel>=1.3 # BSD
-python-keystoneclient!=1.8.0,!=2.1.0,>=1.6.0 # Apache-2.0
-stevedore>=1.5.0 # Apache-2.0
+Babel>=2.3.4 # BSD
+python-keystoneclient!=1.8.0,!=2.1.0,>=1.7.0 # Apache-2.0
+stevedore>=1.10.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.5.0 # Apache-2.0
+oslo.utils>=3.11.0 # Apache-2.0
+PrettyTable<0.8,>=0.7 # BSD