diff --git a/requirements.txt b/requirements.txt
index a4406709..e5398925 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ eventlet!=0.18.3,>=0.18.2 # MIT
 netaddr!=0.7.16,>=0.7.13 # BSD
 tenacity>=3.2.1 # Apache-2.0
 six>=1.9.0 # MIT
-neutron-lib>=1.4.0 # Apache-2.0
+neutron-lib>=1.6.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=3.22.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0