diff --git a/doc/source/ovn/gaps.rst b/doc/source/ovn/gaps.rst
index 5d5eba32bef..6a27429fc4b 100644
--- a/doc/source/ovn/gaps.rst
+++ b/doc/source/ovn/gaps.rst
@@ -8,12 +8,6 @@ It is not a complete list, but is enough to be used as a starting point for
 implementors working on closing these gaps. A TODO list for OVN is located
 at [1]_.
 
-* BGP support
-
-  Neutron-dynamic-routing supports making a tenant subnet routable via BGP, and
-  can announce host routes for both floating and fixed IP addresses. These
-  functions are not supported in OVN.
-
 * Baremetal provisioning with iPXE without Neutron DHCP agent for IPv6
 
   The core OVN built-in DHCP server implementation does not
diff --git a/neutron/common/ovn/extensions.py b/neutron/common/ovn/extensions.py
index 245feba4a5f..3e2bf2bcba8 100644
--- a/neutron/common/ovn/extensions.py
+++ b/neutron/common/ovn/extensions.py
@@ -17,6 +17,9 @@ from neutron_lib.api.definitions import agent as agent_def
 from neutron_lib.api.definitions import allowedaddresspairs
 from neutron_lib.api.definitions import auto_allocated_topology
 from neutron_lib.api.definitions import availability_zone as az_def
+from neutron_lib.api.definitions import bgp
+from neutron_lib.api.definitions import bgp_4byte_asn
+from neutron_lib.api.definitions import bgp_dragentscheduler
 from neutron_lib.api.definitions import default_subnetpools
 from neutron_lib.api.definitions import dns
 from neutron_lib.api.definitions import dns_domain_keywords
@@ -161,4 +164,7 @@ ML2_SUPPORTED_API_EXTENSIONS = [
     logging.ALIAS,
     vpn.ALIAS,
     vpn_endpoint_groups.ALIAS,
+    bgp.ALIAS,
+    bgp_4byte_asn.ALIAS,
+    bgp_dragentscheduler.ALIAS,
 ]