diff --git a/requirements.txt b/requirements.txt
index a6297d21da..3287df57d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ paramiko>=1.16.0 # LGPL
 Paste # MIT
 PasteDeploy>=1.5.0 # MIT
 pylxd>=0.19.0 # Apache-2.0
-python-neutronclient>=2.6.0 # Apache-2.0
+python-neutronclient!=4.1.0,>=2.6.0 # Apache-2.0
 keystonemiddleware!=4.1.0,>=4.0.0 # Apache-2.0
 requests!=2.9.0,>=2.8.1 # Apache-2.0
 retrying!=1.3.0,>=1.2.3 # Apache-2.0