diff --git a/lower-constraints.txt b/lower-constraints.txt
index 464fb9e8ecb..3bbd6aed22a 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -56,7 +56,7 @@ msgpack-python==0.4.0
 munch==2.1.0
 netaddr==0.7.18
 netifaces==0.10.4
-neutron-lib==1.19.0
+neutron-lib==1.20.0
 openstackdocstheme==1.18.1
 openstacksdk==0.11.2
 os-client-config==1.28.0
diff --git a/requirements.txt b/requirements.txt
index c5a94477a21..d79b3cdbe6e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Jinja2>=2.10 # BSD License (3 clause)
 keystonemiddleware>=4.17.0 # Apache-2.0
 netaddr>=0.7.18 # BSD
 netifaces>=0.10.4 # MIT
-neutron-lib>=1.19.0 # Apache-2.0
+neutron-lib>=1.20.0 # Apache-2.0
 python-neutronclient>=6.7.0 # Apache-2.0
 tenacity>=3.2.1 # Apache-2.0
 ryu>=4.24 # Apache-2.0