diff --git a/src/spring/HISTORY.md b/src/spring/HISTORY.md
index 6ced91459dd..42bc7898935 100644
--- a/src/spring/HISTORY.md
+++ b/src/spring/HISTORY.md
@@ -1,5 +1,9 @@
 Release History
 ===============
+1.6.5
+---
+* Add argument `--deployment-name` in command `az spring app create`.
+
 1.6.4
 ---
 * Add new commands `az spring application-configuration-service create` and `az spring application-configuration-service delete`.
diff --git a/src/spring/azext_spring/_params.py b/src/spring/azext_spring/_params.py
index a7dc52ebbc8..f6c25b9f2d8 100644
--- a/src/spring/azext_spring/_params.py
+++ b/src/spring/azext_spring/_params.py
@@ -267,6 +267,8 @@ def load_arguments(self, _):
                    help='A json file path for the persistent storages to be mounted to the app')
         c.argument('loaded_public_certificate_file', options_list=['--loaded-public-certificate-file', '-f'], type=str,
                    help='A json file path indicates the certificates which would be loaded to app')
+        c.argument('deployment_name', default='default',
+                   help='Name of the default deployment.', validator=validate_name)
 
     with self.argument_context('spring app update') as c:
         c.argument('assign_endpoint', arg_type=get_three_state_flag(),
diff --git a/src/spring/azext_spring/app.py b/src/spring/azext_spring/app.py
index 54841ef88f6..ec9b97732ca 100644
--- a/src/spring/azext_spring/app.py
+++ b/src/spring/azext_spring/app.py
@@ -35,6 +35,7 @@
 
 
 def app_create(cmd, client, resource_group, service, name,
+               deployment_name=None,
                # deployment.settings
                cpu=None,
                memory=None,
@@ -143,12 +144,13 @@ def app_create(cmd, client, resource_group, service, name,
     app_poller = client.apps.begin_create_or_update(resource_group, service, name, app_resource)
     wait_till_end(cmd, app_poller)
 
-    logger.warning('[2/3] Creating default deployment with name "{}"'.format(DEFAULT_DEPLOYMENT_NAME))
+    banner_deployment_name = deployment_name or DEFAULT_DEPLOYMENT_NAME
+    logger.warning('[2/3] Creating default deployment with name "{}"'.format(banner_deployment_name))
     deployment_resource = deployment_factory.format_resource(**create_deployment_kwargs, **basic_kwargs)
     poller = client.deployments.begin_create_or_update(resource_group,
                                                        service,
                                                        name,
-                                                       DEFAULT_DEPLOYMENT_NAME,
+                                                       banner_deployment_name,
                                                        deployment_resource)
     logger.warning('[3/3] Updating app "{}" (this operation can take a while to complete)'.format(name))
     app_resource = app_factory.format_resource(**update_app_kwargs, **basic_kwargs)
diff --git a/src/spring/azext_spring/tests/latest/test_asa_app.py b/src/spring/azext_spring/tests/latest/test_asa_app.py
index 3e951fe16cc..1ee522e2103 100644
--- a/src/spring/azext_spring/tests/latest/test_asa_app.py
+++ b/src/spring/azext_spring/tests/latest/test_asa_app.py
@@ -598,8 +598,8 @@ def _execute(self, *args, **kwargs):
         call_args = client.deployments.begin_create_or_update.call_args_list
         self.assertEqual(1, len(call_args))
         self.assertEqual(5, len(call_args[0][0]))
-        self.assertEqual(args[0:3] + ('default',), call_args[0][0][0:4])
         self.put_deployment_resource = call_args[0][0][4]
+        self.put_deployment_resource.name = call_args[0][0][3]
 
         call_args = client.apps.begin_update.call_args_list
         self.assertEqual(1, len(call_args))
@@ -693,6 +693,11 @@ def test_app_with_client_auth(self):
         resource = self.patch_app_resource
         self.assertIsNone(resource.properties.ingress_settings)
 
+    def test_app_create_with_deployment_name(self):
+        self._execute('rg', 'asc', 'app', cpu='1', memory='1Gi', instance_count=1, deployment_name='hello')
+        resource = self.put_deployment_resource
+        self.assertEqual('hello', resource.name)
+
 class TestDeploymentCreate(BasicTest):
     def __init__(self, methodName: str = ...):
         super().__init__(methodName=methodName)
diff --git a/src/spring/setup.py b/src/spring/setup.py
index 5e610ff902b..cfb9695fc72 100644
--- a/src/spring/setup.py
+++ b/src/spring/setup.py
@@ -16,7 +16,7 @@
 
 # TODO: Confirm this is the right version number you want and it matches your
 # HISTORY.rst entry.
-VERSION = '1.6.4'
+VERSION = '1.6.5'
 
 # The full list of classifiers is available at
 # https://pypi.python.org/pypi?%3Aaction=list_classifiers