diff --git a/lower-constraints.txt b/lower-constraints.txt
index b2530af4..1875e514 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -53,7 +53,7 @@ munch==2.1.0
 netaddr==0.7.18
 netifaces==0.10.4
 neutron==13.0.0.0b2
-neutron-lib==1.20.0
+neutron-lib==1.21.0
 openstackdocstheme==1.18.1
 openstacksdk==0.11.2
 os-client-config==1.28.0
diff --git a/requirements.txt b/requirements.txt
index 873d64a5..c67705e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ netaddr>=0.7.18 # BSD
 SQLAlchemy>=1.2.0 # MIT
 alembic>=0.8.10 # MIT
 six>=1.10.0 # MIT
-neutron-lib>=1.20.0 # Apache-2.0
+neutron-lib>=1.21.0 # Apache-2.0
 oslo.config>=5.2.0 # Apache-2.0
 oslo.db>=4.27.0 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0