diff --git a/dragonflow/neutron/db/models/l2.py b/dragonflow/neutron/db/models/l2.py
index a4ed46661..2a6fdc3cf 100644
--- a/dragonflow/neutron/db/models/l2.py
+++ b/dragonflow/neutron/db/models/l2.py
@@ -12,7 +12,7 @@
 
 from neutron.extensions import allowedaddresspairs as addr_pair
 from neutron.extensions import extra_dhcp_opt
-from neutron.extensions import portsecurity as psec
+from neutron_lib.api.definitions import port_security as psec
 from neutron_lib.api.definitions import portbindings
 from neutron_lib.api import validators