diff --git a/lower-constraints.txt b/lower-constraints.txt
index cee619c3351..f5bfcd9ac16 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -78,8 +78,8 @@ oslo.utils==4.4.0
 oslo.versionedobjects==1.35.1
 oslotest==3.2.0
 osprofiler==2.3.0
-ovs==2.8.0
-ovsdbapp==1.4.0
+ovs==2.10.0
+ovsdbapp==1.6.0
 packaging==20.4
 Paste==2.0.2
 PasteDeploy==1.5.0
diff --git a/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovsdb_monitor.py b/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovsdb_monitor.py
index c1299998400..4951aa73fb0 100644
--- a/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovsdb_monitor.py
+++ b/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovsdb_monitor.py
@@ -27,7 +27,6 @@ from ovs.stream import Stream
 from ovsdbapp.backend.ovs_idl import connection
 from ovsdbapp.backend.ovs_idl import event as row_event
 from ovsdbapp.backend.ovs_idl import idlutils
-from ovsdbapp import event
 
 from neutron.common.ovn import constants as ovn_const
 from neutron.common.ovn import exceptions
@@ -358,7 +357,7 @@ class NeutronPgDropPortGroupCreated(row_event.WaitEvent):
         self.event_name = 'PortGroupCreated'
 
 
-class OvnDbNotifyHandler(event.RowEventHandler):
+class OvnDbNotifyHandler(row_event.RowEventHandler):
     def __init__(self, driver):
         super(OvnDbNotifyHandler, self).__init__()
         self.driver = driver
@@ -374,7 +373,7 @@ class Ml2OvnIdlBase(connection.OvsdbIdl):
 
 class BaseOvnIdl(Ml2OvnIdlBase):
     def __init__(self, remote, schema):
-        self.notify_handler = event.RowEventHandler()
+        self.notify_handler = row_event.RowEventHandler()
         super(BaseOvnIdl, self).__init__(remote, schema)
 
     @classmethod
diff --git a/requirements.txt b/requirements.txt
index 5a1cb5b1e86..de95667617f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,8 +44,8 @@ oslo.utils>=4.4.0 # Apache-2.0
 oslo.versionedobjects>=1.35.1 # Apache-2.0
 osprofiler>=2.3.0 # Apache-2.0
 os-ken >= 0.3.0 # Apache-2.0
-ovs>=2.8.0 # Apache-2.0
-ovsdbapp>=1.4.0 # Apache-2.0
+ovs>=2.10.0 # Apache-2.0
+ovsdbapp>=1.6.0 # Apache-2.0
 packaging>=20.4  # Apache-2.0
 psutil>=5.3.0 # BSD
 pyroute2>=0.5.13;sys_platform!='win32' # Apache-2.0 (+ dual licensed GPL2)