diff --git a/requirements.txt b/requirements.txt
index 82c981ad0d..4fa8227acd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ WebOb>=1.2.3 # MIT
 greenlet>=0.3.2 # MIT
 netaddr!=0.7.16,>=0.7.12 # BSD
 paramiko>=1.16.0 # LGPL
-python-neutronclient>=2.6.0 # Apache-2.0
+python-neutronclient!=4.1.0,>=2.6.0 # Apache-2.0
 python-glanceclient>=2.0.0 # Apache-2.0
 python-keystoneclient!=1.8.0,!=2.1.0,>=1.6.0 # Apache-2.0
 ironic-lib>=1.1.0 # Apache-2.0