diff --git a/requirements.txt b/requirements.txt
index 8b04aa4f6..5ab5d07bd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ PasteDeploy>=1.5.0 # MIT
 pbr>=1.6 # Apache-2.0
 pecan>=1.0.0 # BSD
 python-designateclient>=1.5.0 # Apache-2.0
-python-neutronclient>=2.6.0 # Apache-2.0
+python-neutronclient!=4.1.0,>=2.6.0 # Apache-2.0
 Routes!=2.0,!=2.1,>=1.12.3;python_version=='2.7' # MIT
 Routes!=2.0,>=1.12.3;python_version!='2.7' # MIT
 requests!=2.9.0,>=2.8.1 # Apache-2.0