diff --git a/requirements.txt b/requirements.txt
index d35d5b53..d710b204 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ python-glanceclient>=2.5.0 # Apache-2.0
 python-keystoneclient>=3.8.0 # Apache-2.0
 python-neutronclient>=5.1.0 # Apache-2.0
 python-novaclient>=7.1.0 # Apache-2.0
-python-openstackclient>=3.3.0 # Apache-2.0
+python-openstackclient!=3.10.0,>=3.3.0 # Apache-2.0
 Routes!=2.0,!=2.1,!=2.3.0,>=1.12.3;python_version=='2.7' # MIT
 Routes!=2.0,!=2.3.0,>=1.12.3;python_version!='2.7' # MIT
 six>=1.9.0 # MIT