diff --git a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/assignment_status.py b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/assignment_status.py
index c6527422db0a..ed3f00bbbb86 100644
--- a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/assignment_status.py
+++ b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/assignment_status.py
@@ -19,9 +19,9 @@ class AssignmentStatus(BlueprintResourceStatusBase):
     sending a request.
 
     :ivar time_created: Creation time of this blueprint definition.
-    :vartype time_created: str
+    :vartype time_created: datetime
     :ivar last_modified: Last modified time of this blueprint definition.
-    :vartype last_modified: str
+    :vartype last_modified: datetime
     """
 
     _validation = {
@@ -30,8 +30,8 @@ class AssignmentStatus(BlueprintResourceStatusBase):
     }
 
     _attribute_map = {
-        'time_created': {'key': 'timeCreated', 'type': 'str'},
-        'last_modified': {'key': 'lastModified', 'type': 'str'},
+        'time_created': {'key': 'timeCreated', 'type': 'iso-8601'},
+        'last_modified': {'key': 'lastModified', 'type': 'iso-8601'},
     }
 
     def __init__(self, **kwargs):
diff --git a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/assignment_status_py3.py b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/assignment_status_py3.py
index 8bacd999ebe8..a6fc93d5aaa7 100644
--- a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/assignment_status_py3.py
+++ b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/assignment_status_py3.py
@@ -19,9 +19,9 @@ class AssignmentStatus(BlueprintResourceStatusBase):
     sending a request.
 
     :ivar time_created: Creation time of this blueprint definition.
-    :vartype time_created: str
+    :vartype time_created: datetime
     :ivar last_modified: Last modified time of this blueprint definition.
-    :vartype last_modified: str
+    :vartype last_modified: datetime
     """
 
     _validation = {
@@ -30,8 +30,8 @@ class AssignmentStatus(BlueprintResourceStatusBase):
     }
 
     _attribute_map = {
-        'time_created': {'key': 'timeCreated', 'type': 'str'},
-        'last_modified': {'key': 'lastModified', 'type': 'str'},
+        'time_created': {'key': 'timeCreated', 'type': 'iso-8601'},
+        'last_modified': {'key': 'lastModified', 'type': 'iso-8601'},
     }
 
     def __init__(self, **kwargs) -> None:
diff --git a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_resource_status_base.py b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_resource_status_base.py
index fc74840327df..32214aaef08d 100644
--- a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_resource_status_base.py
+++ b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_resource_status_base.py
@@ -19,9 +19,9 @@ class BlueprintResourceStatusBase(Model):
     sending a request.
 
     :ivar time_created: Creation time of this blueprint definition.
-    :vartype time_created: str
+    :vartype time_created: datetime
     :ivar last_modified: Last modified time of this blueprint definition.
-    :vartype last_modified: str
+    :vartype last_modified: datetime
     """
 
     _validation = {
@@ -30,8 +30,8 @@ class BlueprintResourceStatusBase(Model):
     }
 
     _attribute_map = {
-        'time_created': {'key': 'timeCreated', 'type': 'str'},
-        'last_modified': {'key': 'lastModified', 'type': 'str'},
+        'time_created': {'key': 'timeCreated', 'type': 'iso-8601'},
+        'last_modified': {'key': 'lastModified', 'type': 'iso-8601'},
     }
 
     def __init__(self, **kwargs):
diff --git a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_resource_status_base_py3.py b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_resource_status_base_py3.py
index 44813f768184..057e1dc32bd0 100644
--- a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_resource_status_base_py3.py
+++ b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_resource_status_base_py3.py
@@ -19,9 +19,9 @@ class BlueprintResourceStatusBase(Model):
     sending a request.
 
     :ivar time_created: Creation time of this blueprint definition.
-    :vartype time_created: str
+    :vartype time_created: datetime
     :ivar last_modified: Last modified time of this blueprint definition.
-    :vartype last_modified: str
+    :vartype last_modified: datetime
     """
 
     _validation = {
@@ -30,8 +30,8 @@ class BlueprintResourceStatusBase(Model):
     }
 
     _attribute_map = {
-        'time_created': {'key': 'timeCreated', 'type': 'str'},
-        'last_modified': {'key': 'lastModified', 'type': 'str'},
+        'time_created': {'key': 'timeCreated', 'type': 'iso-8601'},
+        'last_modified': {'key': 'lastModified', 'type': 'iso-8601'},
     }
 
     def __init__(self, **kwargs) -> None:
diff --git a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_status.py b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_status.py
index 92a803bd8864..d775a7e66847 100644
--- a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_status.py
+++ b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_status.py
@@ -19,9 +19,9 @@ class BlueprintStatus(BlueprintResourceStatusBase):
     sending a request.
 
     :ivar time_created: Creation time of this blueprint definition.
-    :vartype time_created: str
+    :vartype time_created: datetime
     :ivar last_modified: Last modified time of this blueprint definition.
-    :vartype last_modified: str
+    :vartype last_modified: datetime
     """
 
     _validation = {
@@ -30,8 +30,8 @@ class BlueprintStatus(BlueprintResourceStatusBase):
     }
 
     _attribute_map = {
-        'time_created': {'key': 'timeCreated', 'type': 'str'},
-        'last_modified': {'key': 'lastModified', 'type': 'str'},
+        'time_created': {'key': 'timeCreated', 'type': 'iso-8601'},
+        'last_modified': {'key': 'lastModified', 'type': 'iso-8601'},
     }
 
     def __init__(self, **kwargs):
diff --git a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_status_py3.py b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_status_py3.py
index 73154742f011..279758289a21 100644
--- a/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_status_py3.py
+++ b/azure-mgmt-blueprint/azure/mgmt/blueprint/models/blueprint_status_py3.py
@@ -19,9 +19,9 @@ class BlueprintStatus(BlueprintResourceStatusBase):
     sending a request.
 
     :ivar time_created: Creation time of this blueprint definition.
-    :vartype time_created: str
+    :vartype time_created: datetime
     :ivar last_modified: Last modified time of this blueprint definition.
-    :vartype last_modified: str
+    :vartype last_modified: datetime
     """
 
     _validation = {
@@ -30,8 +30,8 @@ class BlueprintStatus(BlueprintResourceStatusBase):
     }
 
     _attribute_map = {
-        'time_created': {'key': 'timeCreated', 'type': 'str'},
-        'last_modified': {'key': 'lastModified', 'type': 'str'},
+        'time_created': {'key': 'timeCreated', 'type': 'iso-8601'},
+        'last_modified': {'key': 'lastModified', 'type': 'iso-8601'},
     }
 
     def __init__(self, **kwargs) -> None:
diff --git a/azure-mgmt-blueprint/setup.py b/azure-mgmt-blueprint/setup.py
index 15c987860b9a..8b7c3a5fba0d 100644
--- a/azure-mgmt-blueprint/setup.py
+++ b/azure-mgmt-blueprint/setup.py
@@ -53,6 +53,7 @@
     version=version,
     description='Microsoft Azure {} Client Library for Python'.format(PACKAGE_PPRINT_NAME),
     long_description=readme + '\n\n' + history,
+    long_description_content_type='text/x-rst',
     license='MIT License',
     author='Microsoft Corporation',
     author_email='azpysdkhelp@microsoft.com',