diff --git a/requirements.txt b/requirements.txt
index d502ac88..d06d51f6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,9 +5,9 @@ pbr>=1.6
 Babel>=1.3
 argparse
 PrettyTable<0.8,>=0.7
-python-keystoneclient>=1.6.0
+python-keystoneclient!=1.8.0,>=1.6.0
 requests!=2.8.0,>=2.5.2
 warlock<2,>=1.0.1
 six>=1.9.0
-oslo.utils>=2.0.0 # Apache-2.0
+oslo.utils>=2.4.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0