diff --git a/distributedcloud-client/dcmanagerclient/commands/v1/subcloud_manager.py b/distributedcloud-client/dcmanagerclient/commands/v1/subcloud_manager.py
index 4482080..fa1111d 100644
--- a/distributedcloud-client/dcmanagerclient/commands/v1/subcloud_manager.py
+++ b/distributedcloud-client/dcmanagerclient/commands/v1/subcloud_manager.py
@@ -422,6 +422,14 @@ class UnmanageSubcloud(base.DCManagerShowOne):
             'subcloud',
             help='Name or ID of the subcloud to unmanage.'
         )
+
+        parser.add_argument(
+            '--migrate',
+            required=False,
+            action='store_true',
+            help='Mark the subcloud for an upcoming migration.'
+        )
+
         return parser
 
     def _get_resources(self, parsed_args):
@@ -429,6 +437,10 @@ class UnmanageSubcloud(base.DCManagerShowOne):
         dcmanager_client = self.app.client_manager.subcloud_manager
         kwargs = dict()
         kwargs['management-state'] = 'unmanaged'
+
+        if parsed_args.migrate:
+            kwargs['migrate'] = 'true'
+
         try:
             result = dcmanager_client.subcloud_manager.update_subcloud(
                 subcloud_ref, files=None, data=kwargs)
diff --git a/distributedcloud-client/dcmanagerclient/tests/v1/test_subcloud_manager.py b/distributedcloud-client/dcmanagerclient/tests/v1/test_subcloud_manager.py
index e31bc2e..b09a31a 100644
--- a/distributedcloud-client/dcmanagerclient/tests/v1/test_subcloud_manager.py
+++ b/distributedcloud-client/dcmanagerclient/tests/v1/test_subcloud_manager.py
@@ -221,6 +221,15 @@ class TestCLISubcloudManagerV1(base.BaseCommandTest):
             base.SUBCLOUD_FIELD_RESULT_LIST_WITH_PEERID,
             actual_call[1])
 
+    def test_unmanage_subcloud_with_migrate(self):
+        self.client.subcloud_manager.update_subcloud.\
+            return_value = [base.SUBCLOUD_RESOURCE]
+        actual_call = self.call(
+            subcloud_cmd.UnmanageSubcloud, app_args=[base.ID, '--migrate'])
+        self.assertEqual(
+            base.SUBCLOUD_FIELD_RESULT_LIST_WITH_PEERID,
+            actual_call[1])
+
     def test_unmanage_subcloud_without_subcloud_id(self):
         self.assertRaises(SystemExit, self.call,
                           subcloud_cmd.UnmanageSubcloud, app_args=[])