diff --git a/docs/v1/accounting/index.html b/docs/v1/accounting/index.html
index 2c6e41af..bae82c09 100644
--- a/docs/v1/accounting/index.html
+++ b/docs/v1/accounting/index.html
@@ -4062,7 +4062,7 @@
     "Class" : {
       "type" : "string",
       "description" : "Organisation Classes describe which plan the Xero organisation is on (e.g. DEMO, TRIAL, PREMIUM)",
-      "enum" : [ "DEMO", "TRIAL", "STARTER", "STANDARD", "PREMIUM", "PREMIUM_20", "PREMIUM_50", "PREMIUM_100", "LEDGER", "GST_CASHBOOK", "NON_GST_CASHBOOK", "ULTIMATE", "LITE" ]
+      "enum" : [ "DEMO", "TRIAL", "STARTER", "STANDARD", "PREMIUM", "PREMIUM_20", "PREMIUM_50", "PREMIUM_100", "LEDGER", "GST_CASHBOOK", "NON_GST_CASHBOOK", "ULTIMATE", "LITE", "IGNITE", "GROW", "COMPREHENSIVE" ]
     },
     "Edition" : {
       "type" : "string",
@@ -6100,7 +6100,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Accounting"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>3.0.0</li>
+              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>4.0.0</li>
               <li class="nav-header" data-group="Accounting"><a href="#api-Accounting">Methods</a></li>
               <li data-group="Accounting" data-name="createAccount" class="">
                 <a href="#api-Accounting-createAccount">createAccount</a>
diff --git a/docs/v1/appstore/index.html b/docs/v1/appstore/index.html
index 3cbd1c4a..403bb960 100644
--- a/docs/v1/appstore/index.html
+++ b/docs/v1/appstore/index.html
@@ -1241,7 +1241,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="AppStore"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>3.0.0</li>
+              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>4.0.0</li>
               <li class="nav-header" data-group="AppStore"><a href="#api-AppStore">Methods</a></li>
               <li data-group="AppStore" data-name="getSubscription" class="">
                 <a href="#api-AppStore-getSubscription">getSubscription</a>
diff --git a/docs/v1/assets/index.html b/docs/v1/assets/index.html
index f009fa92..6b661cdf 100644
--- a/docs/v1/assets/index.html
+++ b/docs/v1/assets/index.html
@@ -1392,7 +1392,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Asset"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>3.0.0</li>
+              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>4.0.0</li>
               <li class="nav-header" data-group="Asset"><a href="#api-Asset">Methods</a></li>
               <li data-group="Asset" data-name="createAsset" class="">
                 <a href="#api-Asset-createAsset">createAsset</a>
diff --git a/docs/v1/files/index.html b/docs/v1/files/index.html
index ca55e055..f0874f3c 100644
--- a/docs/v1/files/index.html
+++ b/docs/v1/files/index.html
@@ -866,6 +866,21 @@
   "title" : "",
   "type" : "object",
   "properties" : {
+    "SendWithObject" : {
+      "type" : "boolean",
+      "description" : "Boolean flag to determines whether the file is sent with the document it is attached to on client facing communications. Note- The SendWithObject element is only returned when using /Associations/{ObjectId} endpoint.",
+      "example" : true
+    },
+    "Name" : {
+      "type" : "string",
+      "description" : "The name of the associated file. Note- The Name element is only returned when using /Associations/{ObjectId} endpoint.",
+      "example" : "Test.pdf"
+    },
+    "Size" : {
+      "type" : "integer",
+      "description" : "The size of the associated file in bytes. Note- The Size element is only returned when using /Associations/{ObjectId} endpoint.",
+      "example" : 12357
+    },
     "FileId" : {
       "type" : "string",
       "description" : "The unique identifier of the file",
@@ -1155,7 +1170,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Files"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Files"><strong>VSN: </strong>3.0.0</li>
+              <li class="nav-header" data-group="Files"><strong>VSN: </strong>4.0.0</li>
               <li class="nav-header" data-group="Files"><a href="#api-Files">Methods</a></li>
               <li data-group="Files" data-name="createFileAssociation" class="">
                 <a href="#api-Files-createFileAssociation">createFileAssociation</a>
diff --git a/docs/v1/finance/index.html b/docs/v1/finance/index.html
index 0cf24d14..ffa9f53c 100644
--- a/docs/v1/finance/index.html
+++ b/docs/v1/finance/index.html
@@ -2734,7 +2734,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Finance"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>3.0.0</li>
+              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>4.0.0</li>
               <li class="nav-header" data-group="Finance"><a href="#api-Finance">Methods</a></li>
               <li data-group="Finance" data-name="getAccountingActivityAccountUsage" class="">
                 <a href="#api-Finance-getAccountingActivityAccountUsage">getAccountingActivityAccountUsage</a>
diff --git a/docs/v1/payroll-au/index.html b/docs/v1/payroll-au/index.html
index 254669bf..4466a743 100644
--- a/docs/v1/payroll-au/index.html
+++ b/docs/v1/payroll-au/index.html
@@ -3412,7 +3412,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollAu"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>3.0.0</li>
+              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>4.0.0</li>
               <li class="nav-header" data-group="PayrollAu"><a href="#api-PayrollAu">Methods</a></li>
               <li data-group="PayrollAu" data-name="approveLeaveApplication" class="">
                 <a href="#api-PayrollAu-approveLeaveApplication">approveLeaveApplication</a>
diff --git a/docs/v1/payroll-nz/index.html b/docs/v1/payroll-nz/index.html
index df4947ed..68def9c3 100644
--- a/docs/v1/payroll-nz/index.html
+++ b/docs/v1/payroll-nz/index.html
@@ -3843,7 +3843,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollNz"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>3.0.0</li>
+              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>4.0.0</li>
               <li class="nav-header" data-group="PayrollNz"><a href="#api-PayrollNz">Methods</a></li>
               <li data-group="PayrollNz" data-name="approveTimesheet" class="">
                 <a href="#api-PayrollNz-approveTimesheet">approveTimesheet</a>
diff --git a/docs/v1/payroll-uk/index.html b/docs/v1/payroll-uk/index.html
index 518052a6..7d4bb16c 100644
--- a/docs/v1/payroll-uk/index.html
+++ b/docs/v1/payroll-uk/index.html
@@ -3510,7 +3510,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollUk"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollUk"><strong>VSN: </strong>3.0.0</li>
+              <li class="nav-header" data-group="PayrollUk"><strong>VSN: </strong>4.0.0</li>
               <li class="nav-header" data-group="PayrollUk"><a href="#api-PayrollUk">Methods</a></li>
               <li data-group="PayrollUk" data-name="approveTimesheet" class="">
                 <a href="#api-PayrollUk-approveTimesheet">approveTimesheet</a>
diff --git a/docs/v1/projects/index.html b/docs/v1/projects/index.html
index 3568d181..2ec3fe0d 100644
--- a/docs/v1/projects/index.html
+++ b/docs/v1/projects/index.html
@@ -1462,7 +1462,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Project"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Project"><strong>VSN: </strong>3.0.0</li>
+              <li class="nav-header" data-group="Project"><strong>VSN: </strong>4.0.0</li>
               <li class="nav-header" data-group="Project"><a href="#api-Project">Methods</a></li>
               <li data-group="Project" data-name="createProject" class="">
                 <a href="#api-Project-createProject">createProject</a>
diff --git a/setup.py b/setup.py
index 439bcb2e..7f408a79 100644
--- a/setup.py
+++ b/setup.py
@@ -48,5 +48,5 @@ def read_file(filename):
     keywords="xero python sdk API oAuth",
     name="xero_python",
     packages=find_packages(include=["xero_python", "xero_python.*"]),
-    version="3.0.0",
+    version="4.0.0",
 )
diff --git a/xero_python/__init__.py b/xero_python/__init__.py
index b58a3b50..4e3cf907 100644
--- a/xero_python/__init__.py
+++ b/xero_python/__init__.py
@@ -2,4 +2,4 @@
 
 __author__ = """Xero Developer API"""
 __email__ = "api@xero.com"
-__version__ = "3.0.0"
+__version__ = "4.0.0"
diff --git a/xero_python/accounting/api/accounting_api.py b/xero_python/accounting/api/accounting_api.py
index 7257ac64..05189b0d 100644
--- a/xero_python/accounting/api/accounting_api.py
+++ b/xero_python/accounting/api/accounting_api.py
@@ -10,7 +10,7 @@
 """
 
 """
-    OpenAPI spec version: 3.0.3
+    OpenAPI spec version: 4.0.0
 """
 
 import importlib
diff --git a/xero_python/accounting/models/organisation.py b/xero_python/accounting/models/organisation.py
index 0bf4b17f..d88f380a 100644
--- a/xero_python/accounting/models/organisation.py
+++ b/xero_python/accounting/models/organisation.py
@@ -981,6 +981,9 @@ def _class(self, _class):
             "NON_GST_CASHBOOK",
             "ULTIMATE",
             "LITE",
+            "IGNITE",
+            "GROW",
+            "COMPREHENSIVE",
             "None",
         ]  # noqa: E501
 
diff --git a/xero_python/appstore/api/app_store_api.py b/xero_python/appstore/api/app_store_api.py
index 9a48b2dd..aa8e61bb 100644
--- a/xero_python/appstore/api/app_store_api.py
+++ b/xero_python/appstore/api/app_store_api.py
@@ -10,7 +10,7 @@
 """
 
 """
-    OpenAPI spec version: 3.0.3
+    OpenAPI spec version: 4.0.0
 """
 
 import importlib
diff --git a/xero_python/assets/api/asset_api.py b/xero_python/assets/api/asset_api.py
index 5c5e730a..d66de553 100644
--- a/xero_python/assets/api/asset_api.py
+++ b/xero_python/assets/api/asset_api.py
@@ -10,7 +10,7 @@
 """
 
 """
-    OpenAPI spec version: 3.0.3
+    OpenAPI spec version: 4.0.0
 """
 
 import importlib
diff --git a/xero_python/docs/README.md b/xero_python/docs/README.md
index 2281160b..36f4ac13 100644
--- a/xero_python/docs/README.md
+++ b/xero_python/docs/README.md
@@ -3,8 +3,8 @@ These endpoints are related to managing authentication tokens and identity for X
 
 The `xero_python` package is automatically generated by the [XeroAPI SDK 2.0 Codegen](https://github.com/xero-github/xeroapi-sdk-codegen) project:
 
-- API version: 3.0.3
-- Package version: 3.0.0
+- API version: 4.0.0
+- Package version: 4.0.0
 - Build package: org.openapitools.codegen.languages.PythonClientCodegen
 For more information, please visit [https://developer.xero.com](https://developer.xero.com)
 
diff --git a/xero_python/file/api/files_api.py b/xero_python/file/api/files_api.py
index 3bf31604..1fb9315c 100644
--- a/xero_python/file/api/files_api.py
+++ b/xero_python/file/api/files_api.py
@@ -10,7 +10,7 @@
 """
 
 """
-    OpenAPI spec version: 3.0.3
+    OpenAPI spec version: 4.0.0
 """
 
 import importlib
diff --git a/xero_python/file/docs/Association.md b/xero_python/file/docs/Association.md
index 029356d2..04153507 100644
--- a/xero_python/file/docs/Association.md
+++ b/xero_python/file/docs/Association.md
@@ -3,6 +3,9 @@
 ## Properties
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
+**send_with_object** | **bool** | Boolean flag to determines whether the file is sent with the document it is attached to on client facing communications. Note- The SendWithObject element is only returned when using /Associations/{ObjectId} endpoint. | [optional] 
+**name** | **str** | The name of the associated file. Note- The Name element is only returned when using /Associations/{ObjectId} endpoint. | [optional] 
+**size** | **int** | The size of the associated file in bytes. Note- The Size element is only returned when using /Associations/{ObjectId} endpoint. | [optional] 
 **file_id** | **str** | The unique identifier of the file | [optional] 
 **object_id** | **str** | The identifier of the object that the file is being associated with (e.g. InvoiceID, BankTransactionID, ContactID) | [optional] 
 **object_group** | [**ObjectGroup**](ObjectGroup.md) |  | [optional] 
diff --git a/xero_python/file/models/association.py b/xero_python/file/models/association.py
index 2b568922..bbc9e41a 100644
--- a/xero_python/file/models/association.py
+++ b/xero_python/file/models/association.py
@@ -30,6 +30,9 @@ class Association(BaseModel):
                             and the value is json key in definition.
     """
     openapi_types = {
+        "send_with_object": "bool",
+        "name": "str",
+        "size": "int",
         "file_id": "str",
         "object_id": "str",
         "object_group": "ObjectGroup",
@@ -37,6 +40,9 @@ class Association(BaseModel):
     }
 
     attribute_map = {
+        "send_with_object": "SendWithObject",
+        "name": "Name",
+        "size": "Size",
         "file_id": "FileId",
         "object_id": "ObjectId",
         "object_group": "ObjectGroup",
@@ -44,16 +50,32 @@ class Association(BaseModel):
     }
 
     def __init__(
-        self, file_id=None, object_id=None, object_group=None, object_type=None
+        self,
+        send_with_object=None,
+        name=None,
+        size=None,
+        file_id=None,
+        object_id=None,
+        object_group=None,
+        object_type=None,
     ):  # noqa: E501
         """Association - a model defined in OpenAPI"""  # noqa: E501
 
+        self._send_with_object = None
+        self._name = None
+        self._size = None
         self._file_id = None
         self._object_id = None
         self._object_group = None
         self._object_type = None
         self.discriminator = None
 
+        if send_with_object is not None:
+            self.send_with_object = send_with_object
+        if name is not None:
+            self.name = name
+        if size is not None:
+            self.size = size
         if file_id is not None:
             self.file_id = file_id
         if object_id is not None:
@@ -63,6 +85,75 @@ def __init__(
         if object_type is not None:
             self.object_type = object_type
 
+    @property
+    def send_with_object(self):
+        """Gets the send_with_object of this Association.  # noqa: E501
+
+        Boolean flag to determines whether the file is sent with the document it is attached to on client facing communications. Note- The SendWithObject element is only returned when using /Associations/{ObjectId} endpoint.  # noqa: E501
+
+        :return: The send_with_object of this Association.  # noqa: E501
+        :rtype: bool
+        """
+        return self._send_with_object
+
+    @send_with_object.setter
+    def send_with_object(self, send_with_object):
+        """Sets the send_with_object of this Association.
+
+        Boolean flag to determines whether the file is sent with the document it is attached to on client facing communications. Note- The SendWithObject element is only returned when using /Associations/{ObjectId} endpoint.  # noqa: E501
+
+        :param send_with_object: The send_with_object of this Association.  # noqa: E501
+        :type: bool
+        """
+
+        self._send_with_object = send_with_object
+
+    @property
+    def name(self):
+        """Gets the name of this Association.  # noqa: E501
+
+        The name of the associated file. Note- The Name element is only returned when using /Associations/{ObjectId} endpoint.  # noqa: E501
+
+        :return: The name of this Association.  # noqa: E501
+        :rtype: str
+        """
+        return self._name
+
+    @name.setter
+    def name(self, name):
+        """Sets the name of this Association.
+
+        The name of the associated file. Note- The Name element is only returned when using /Associations/{ObjectId} endpoint.  # noqa: E501
+
+        :param name: The name of this Association.  # noqa: E501
+        :type: str
+        """
+
+        self._name = name
+
+    @property
+    def size(self):
+        """Gets the size of this Association.  # noqa: E501
+
+        The size of the associated file in bytes. Note- The Size element is only returned when using /Associations/{ObjectId} endpoint.  # noqa: E501
+
+        :return: The size of this Association.  # noqa: E501
+        :rtype: int
+        """
+        return self._size
+
+    @size.setter
+    def size(self, size):
+        """Sets the size of this Association.
+
+        The size of the associated file in bytes. Note- The Size element is only returned when using /Associations/{ObjectId} endpoint.  # noqa: E501
+
+        :param size: The size of this Association.  # noqa: E501
+        :type: int
+        """
+
+        self._size = size
+
     @property
     def file_id(self):
         """Gets the file_id of this Association.  # noqa: E501
diff --git a/xero_python/finance/api/finance_api.py b/xero_python/finance/api/finance_api.py
index 543c4e71..bf2e35a4 100644
--- a/xero_python/finance/api/finance_api.py
+++ b/xero_python/finance/api/finance_api.py
@@ -10,7 +10,7 @@
 """
 
 """
-    OpenAPI spec version: 3.0.3
+    OpenAPI spec version: 4.0.0
 """
 
 import importlib
diff --git a/xero_python/identity/api/identity_api.py b/xero_python/identity/api/identity_api.py
index f3b32e9f..0b5593f5 100644
--- a/xero_python/identity/api/identity_api.py
+++ b/xero_python/identity/api/identity_api.py
@@ -10,7 +10,7 @@
 """
 
 """
-    OpenAPI spec version: 3.0.3
+    OpenAPI spec version: 4.0.0
 """
 
 import importlib
diff --git a/xero_python/payrollau/api/payroll_au_api.py b/xero_python/payrollau/api/payroll_au_api.py
index 3b189e38..4b36b0f1 100644
--- a/xero_python/payrollau/api/payroll_au_api.py
+++ b/xero_python/payrollau/api/payroll_au_api.py
@@ -10,7 +10,7 @@
 """
 
 """
-    OpenAPI spec version: 3.0.3
+    OpenAPI spec version: 4.0.0
 """
 
 import importlib
diff --git a/xero_python/payrollnz/api/payroll_nz_api.py b/xero_python/payrollnz/api/payroll_nz_api.py
index 8c9ff2dd..0c510855 100644
--- a/xero_python/payrollnz/api/payroll_nz_api.py
+++ b/xero_python/payrollnz/api/payroll_nz_api.py
@@ -10,7 +10,7 @@
 """
 
 """
-    OpenAPI spec version: 3.0.3
+    OpenAPI spec version: 4.0.0
 """
 
 import importlib
diff --git a/xero_python/payrolluk/api/payroll_uk_api.py b/xero_python/payrolluk/api/payroll_uk_api.py
index 26a2dc9b..b66db55c 100644
--- a/xero_python/payrolluk/api/payroll_uk_api.py
+++ b/xero_python/payrolluk/api/payroll_uk_api.py
@@ -10,7 +10,7 @@
 """
 
 """
-    OpenAPI spec version: 3.0.3
+    OpenAPI spec version: 4.0.0
 """
 
 import importlib
diff --git a/xero_python/project/api/project_api.py b/xero_python/project/api/project_api.py
index 49e05f38..8ff30279 100644
--- a/xero_python/project/api/project_api.py
+++ b/xero_python/project/api/project_api.py
@@ -10,7 +10,7 @@
 """
 
 """
-    OpenAPI spec version: 3.0.3
+    OpenAPI spec version: 4.0.0
 """
 
 import importlib