diff --git a/opt/ahenk/base/model/enum/message_type.py b/opt/ahenk/base/model/enum/message_type.py
index 61b1ed3..46085b4 100644
--- a/opt/ahenk/base/model/enum/message_type.py
+++ b/opt/ahenk/base/model/enum/message_type.py
@@ -22,3 +22,4 @@ class MessageType(Enum):
     UNREGISTER = 'UNREGISTER'
     TASK_STATUS = 'TASK_STATUS'
     RESPONSE_AGREEMENT = 'RESPONSE_AGREEMENT'
+    UPDATE_SCHEDULED_TASK = 'UPDATE_SCHEDULED_TASK'