diff --git a/requirements.txt b/requirements.txt
index b0539a8f83d..45caed26117 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Jinja2!=2.9.0,!=2.9.1,!=2.9.2,!=2.9.3,!=2.9.4,>=2.8 # BSD License (3 clause)
 keystonemiddleware>=4.12.0 # Apache-2.0
 netaddr!=0.7.16,>=0.7.13 # BSD
 netifaces>=0.10.4 # MIT
-neutron-lib>=1.4.0 # Apache-2.0
+neutron-lib>=1.6.0 # Apache-2.0
 python-neutronclient>=5.1.0 # Apache-2.0
 tenacity>=3.2.1 # Apache-2.0
 ryu>=4.9 # Apache-2.0