diff --git a/src/TaxisLibrary/taxis_client.py b/src/TaxisLibrary/taxis_client.py
index 00d8e6e..be27e8e 100644
--- a/src/TaxisLibrary/taxis_client.py
+++ b/src/TaxisLibrary/taxis_client.py
@@ -22,6 +22,7 @@ class OrderStatus(str, Enum):
     COMPLETED = "completed"
     CUSTOMER_CANCELED = "customer_canceled"
     DRIVER_CANCELED = "driver_canceled"
+    SYSTEM_CANCELED = "system_canceled"
 
 class PromptFor(str, Enum):
     TAXI = "TAXI"
@@ -36,6 +37,8 @@ class OrderNotifySide(str, Enum):
 class OrderNotifyType(str, Enum):
     CANCELED_BY_CLIENT = "canceled_by_client"
     CANCELED_BY_DRIVER = "canceled_by_driver"
+    CANCELED_BY_SYSTEM = "canceled_by_system"
+    DRIVER_NOT_FOUND = "driver_not_found"
     DRIVER_ARRIVED = "driver_arrived"