diff --git a/requirements.txt b/requirements.txt
index 2798a50c..e329db74 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,8 +9,8 @@ iso8601>=0.1.9
 PrettyTable<0.8,>=0.7
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.serialization>=1.4.0 # Apache-2.0
-oslo.utils>=2.0.0 # Apache-2.0
-python-keystoneclient>=1.6.0
+oslo.utils>=2.4.0 # Apache-2.0
+python-keystoneclient!=1.8.0,>=1.6.0
 python-swiftclient>=2.2.0
 PyYAML>=3.1.0
 requests!=2.8.0,>=2.5.2