diff --git a/requirements.txt b/requirements.txt
index 7fa3f3ae..83c652c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@
 # process, which may cause wedges in the gate later.
 cliff>=1.14.0 # Apache-2.0
 pbr>=1.6
-python-keystoneclient>=1.6.0
+python-keystoneclient!=1.8.0,>=1.6.0
 PyYAML>=3.1.0
 requests!=2.8.0,>=2.5.2