diff --git a/bandwidth.yml b/bandwidth.yml
index 5362a7c5..c4b1fb2b 100644
--- a/bandwidth.yml
+++ b/bandwidth.yml
@@ -1862,7 +1862,6 @@ components:
         - from
         - text
         - media
-        - priority
     messageDeliveredCallback:
       description: Message Delivered Callback
       type: object
@@ -2035,7 +2034,6 @@ components:
         - from
         - text
         - tag
-        - priority
     callbackMethodEnum:
       type: string
       nullable: true
diff --git a/bandwidth/models/message_failed_callback_message.py b/bandwidth/models/message_failed_callback_message.py
index eacc5256..a58445e4 100644
--- a/bandwidth/models/message_failed_callback_message.py
+++ b/bandwidth/models/message_failed_callback_message.py
@@ -41,7 +41,7 @@ class MessageFailedCallbackMessage(BaseModel):
     text: StrictStr
     tag: StrictStr
     media: Optional[List[StrictStr]] = None
-    priority: PriorityEnum
+    priority: Optional[PriorityEnum] = None
     additional_properties: Dict[str, Any] = {}
     __properties: ClassVar[List[str]] = ["id", "owner", "applicationId", "time", "segmentCount", "direction", "to", "from", "text", "tag", "media", "priority"]
 
diff --git a/bandwidth/models/message_sending_callback_message.py b/bandwidth/models/message_sending_callback_message.py
index 3a919317..8387e75c 100644
--- a/bandwidth/models/message_sending_callback_message.py
+++ b/bandwidth/models/message_sending_callback_message.py
@@ -41,7 +41,7 @@ class MessageSendingCallbackMessage(BaseModel):
     text: StrictStr
     tag: Optional[StrictStr] = None
     media: List[StrictStr]
-    priority: PriorityEnum
+    priority: Optional[PriorityEnum] = None
     additional_properties: Dict[str, Any] = {}
     __properties: ClassVar[List[str]] = ["id", "owner", "applicationId", "time", "segmentCount", "direction", "to", "from", "text", "tag", "media", "priority"]
 
diff --git a/docs/MessageFailedCallbackMessage.md b/docs/MessageFailedCallbackMessage.md
index 582020e0..25f77fe7 100644
--- a/docs/MessageFailedCallbackMessage.md
+++ b/docs/MessageFailedCallbackMessage.md
@@ -17,7 +17,7 @@ Name | Type | Description | Notes
 **text** | **str** |  | 
 **tag** | **str** |  | 
 **media** | **List[str]** |  | [optional] 
-**priority** | [**PriorityEnum**](PriorityEnum.md) |  | 
+**priority** | [**PriorityEnum**](PriorityEnum.md) |  | [optional] 
 
 ## Example
 
diff --git a/docs/MessageSendingCallbackMessage.md b/docs/MessageSendingCallbackMessage.md
index e7691078..9aca3fdb 100644
--- a/docs/MessageSendingCallbackMessage.md
+++ b/docs/MessageSendingCallbackMessage.md
@@ -17,7 +17,7 @@ Name | Type | Description | Notes
 **text** | **str** |  | 
 **tag** | **str** |  | [optional] 
 **media** | **List[str]** |  | 
-**priority** | [**PriorityEnum**](PriorityEnum.md) |  | 
+**priority** | [**PriorityEnum**](PriorityEnum.md) |  | [optional] 
 
 ## Example