diff --git a/designate_tempest_plugin/services/dns/v2/json/zones_client.py b/designate_tempest_plugin/services/dns/v2/json/zones_client.py
index a995af8c..2944ca9f 100644
--- a/designate_tempest_plugin/services/dns/v2/json/zones_client.py
+++ b/designate_tempest_plugin/services/dns/v2/json/zones_client.py
@@ -27,8 +27,8 @@ class ZonesClient(base.DnsClientV2Base):
     def create_zone(self, name=None, email=None, ttl=None, description=None,
                     attributes=None, wait_until=False,
                     zone_type=const.PRIMARY_ZONE_TYPE,
-                    primaries=None, params=None, project_id=None):
-
+                    primaries=None, params=None, project_id=None,
+                    serial=None):
         """Create a zone with the specified parameters.
 
         :param name: The name of the zone.
@@ -39,6 +39,8 @@ class ZonesClient(base.DnsClientV2Base):
             Default: Random Value
         :param description: A description of the zone.
             Default: Random Value
+        :param serial: A serial of the zone.
+            Default: Random Value
         :param attributes: Key:Value pairs of information about this zone,
                and the pool the user would like to place the zone in.
                This information can be used by the scheduler to place
@@ -67,6 +69,8 @@ class ZonesClient(base.DnsClientV2Base):
             'attributes': attributes or {
                 'attribute_key': data_utils.rand_name('attribute_value')}
         }
+        if serial:
+            zone['serial'] = serial
         # If SECONDARY, "email" and "ttl" cannot be supplied
         if zone_type == const.SECONDARY_ZONE_TYPE:
             zone['type'] = zone_type
@@ -159,7 +163,7 @@ class ZonesClient(base.DnsClientV2Base):
     @base.handle_errors
     def update_zone(self, uuid, email=None, ttl=None,
                     description=None, wait_until=False, params=None,
-                    headers=None):
+                    headers=None, serial=None):
         """Update a zone with the specified parameters.
         :param uuid: The unique identifier of the zone.
         :param email: The email for the zone.
@@ -168,6 +172,8 @@ class ZonesClient(base.DnsClientV2Base):
             Default: Random Value
         :param description: A description of the zone.
             Default: Random Value
+        :param serial: A serial of the zone.
+            Default: Random Value
         :param wait_until: Block until the zone reaches the desiered status
         :param params: A Python dict that represents the query parameters to
                        include in the request URI.
@@ -179,7 +185,8 @@ class ZonesClient(base.DnsClientV2Base):
             'ttl': ttl or dns_data_utils.rand_ttl(),
             'description': description or data_utils.rand_name('test-zone'),
         }
-
+        if serial:
+            zone['serial'] = serial
         resp, body = self._update_request('zones', uuid, zone, params=params,
                                           headers=headers)
 
diff --git a/designate_tempest_plugin/tests/api/v2/test_zones.py b/designate_tempest_plugin/tests/api/v2/test_zones.py
index d9717901..ecd8dfc6 100644
--- a/designate_tempest_plugin/tests/api/v2/test_zones.py
+++ b/designate_tempest_plugin/tests/api/v2/test_zones.py
@@ -539,6 +539,109 @@ class ZonesTest(BaseZonesTest):
             "Failed, actual Zone's TTL:{} "
             "is not Zero".format(body['ttl']))
 
+    @decorators.idempotent_id('b58b3086-a575-49d9-9379-92de88097742')
+    def test_create_zone_serial_yyyymmddss(self):
+        serial = 2024080201
+        LOG.info('Create a zone')
+        zone_name = dns_data_utils.rand_zone_name(
+            name="serial_yyyymmddss", suffix=self.tld_name)
+        _, zone = self.zones_client.create_zone(name=zone_name, serial=serial)
+        self.addCleanup(self.wait_zone_delete, self.zones_client, zone['id'])
+
+        LOG.info('Ensure we respond with a right serial')
+        self.assertEqual(serial - 1, zone['serial'])
+
+        LOG.info('Fetch the zone')
+        _, body = self.zones_client.show_zone(zone['id'])
+
+        LOG.info('Ensure we respond with updated serial')
+        self.assertEqual(serial - 1, body['serial'])
+
+    @decorators.idempotent_id('5b288927-42b3-4c2d-b0b5-29a8092eaa01')
+    def test_create_zone_serial_unixtime(self):
+        serial = 1369550494
+        zone_name = dns_data_utils.rand_zone_name(
+            name="serial_unixtime", suffix=self.tld_name)
+        _, zone = self.zones_client.create_zone(name=zone_name, serial=serial)
+        self.addCleanup(self.wait_zone_delete, self.zones_client, zone['id'])
+
+        LOG.info('Ensure we respond with a right serial')
+        self.assertEqual(serial - 1, zone['serial'])
+
+        LOG.info('Fetch the zone')
+        _, body = self.zones_client.show_zone(zone['id'])
+
+        LOG.info('Ensure we respond with updated serial')
+        self.assertEqual(serial - 1, body['serial'])
+
+    @decorators.idempotent_id('4779dea3-0591-4219-a1d8-6581f907ecb1')
+    def test_create_zone_serial_number(self):
+        serial = 1234567
+        zone_name = dns_data_utils.rand_zone_name(
+            name="serial_number", suffix=self.tld_name)
+        _, zone = self.zones_client.create_zone(name=zone_name, serial=serial)
+        self.addCleanup(self.wait_zone_delete, self.zones_client, zone['id'])
+
+        LOG.info('Ensure we respond with a right serial')
+        self.assertEqual(serial - 1, zone['serial'])
+
+        LOG.info('Fetch the zone')
+        _, body = self.zones_client.show_zone(zone['id'])
+
+        LOG.info('Ensure we respond with updated serial')
+        self.assertEqual(serial - 1, body['serial'])
+
+    @decorators.idempotent_id('4283f440-990e-4097-9a92-7f8aa1638630')
+    def test_update_zone_serial_to_unixtime(self):
+        serial = 12345
+        LOG.info('Create a zone')
+        zone_name = dns_data_utils.rand_zone_name(
+            name="serial_to_unixtime", suffix=self.tld_name)
+        _, zone = self.zones_client.create_zone(name=zone_name, serial=serial)
+        self.addCleanup(self.wait_zone_delete, self.zones_client, zone['id'])
+
+        LOG.info('Update the zone')
+        _, zone = self.zones_client.update_zone(zone['id'], description="New description")
+
+        LOG.info('Ensure we respond with UPDATE+PENDING')
+        self.assertEqual('UPDATE', zone['action'])
+        self.assertEqual('PENDING', zone['status'])
+
+        LOG.info('Ensure we respond with updated values')
+        self.assertNotEqual(serial, zone['serial'])
+
+        LOG.info('Fetch the zone')
+        _, body = self.zones_client.show_zone(zone['id'])
+
+        LOG.info('Ensure we respond with updated serial')
+        self.assertNotEqual(serial, body['serial'])
+
+    @decorators.idempotent_id('b4ef30c2-823f-47ca-9ef2-84348a77818c')
+    def test_update_zone_serial_to_number(self):
+        serial = 2147483646
+        LOG.info('Create a zone')
+        zone_name = dns_data_utils.rand_zone_name(
+            name="serial_to_number", suffix=self.tld_name)
+        _, zone = self.zones_client.create_zone(name=zone_name, serial=serial)
+        self.addCleanup(self.wait_zone_delete, self.zones_client, zone['id'])
+
+        LOG.info('Update the zone')
+        _, zone = self.zones_client.update_zone(
+            zone['id'], serial=serial)
+
+        LOG.info('Ensure we respond with UPDATE+PENDING')
+        self.assertEqual('UPDATE', zone['action'])
+        self.assertEqual('PENDING', zone['status'])
+
+        LOG.info('Ensure we respond with updated values')
+        self.assertEqual(serial - 1, zone['serial'])
+
+        LOG.info('Fetch the zone')
+        _, body = self.zones_client.show_zone(zone['id'])
+
+        LOG.info('Ensure we respond with updated serial')
+        self.assertEqual(serial - 1, body['serial'])
+
 
 class ZonesAdminTest(BaseZonesTest):
     credentials = ["primary", "admin", "system_admin", "alt"]