diff --git a/requirements.txt b/requirements.txt
index be88903a..5b300dfa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,9 +6,9 @@ argparse
 iso8601>=0.1.9
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.serialization>=1.4.0 # Apache-2.0
-oslo.utils>=2.0.0 # Apache-2.0
+oslo.utils>=2.4.0 # Apache-2.0
 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
 six>=1.9.0
 stevedore>=1.5.0 # Apache-2.0