diff --git a/docs/VpnResultMethods.md b/docs/VpnResultMethods.md
index 5fb0b1b7..287a4c1a 100644
--- a/docs/VpnResultMethods.md
+++ b/docs/VpnResultMethods.md
@@ -6,6 +6,7 @@ Name | Type | Description | Notes
 **timezone_mismatch** | **bool** | The browser timezone doesn't match the timezone inferred from the request IP address. | 
 **public_vpn** | **bool** | Request IP address is owned and used by a public VPN service provider. | 
 **auxiliary_mobile** | **bool** | This method applies to mobile devices only. Indicates the result of additional methods used to detect a VPN in mobile devices. | 
+**os_mismatch** | **bool** | The browser runs on a different operating system than the operating system inferred from the  request network signature. | 
 
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
 
diff --git a/fingerprint_pro_server_api_sdk/models/vpn_result_methods.py b/fingerprint_pro_server_api_sdk/models/vpn_result_methods.py
index 92ad11c4..73eedea5 100644
--- a/fingerprint_pro_server_api_sdk/models/vpn_result_methods.py
+++ b/fingerprint_pro_server_api_sdk/models/vpn_result_methods.py
@@ -30,24 +30,28 @@ class VpnResultMethods(object):
     swagger_types = {
         'timezone_mismatch': 'bool',
         'public_vpn': 'bool',
-        'auxiliary_mobile': 'bool'
+        'auxiliary_mobile': 'bool',
+        'os_mismatch': 'bool'
     }
 
     attribute_map = {
         'timezone_mismatch': 'timezoneMismatch',
         'public_vpn': 'publicVPN',
-        'auxiliary_mobile': 'auxiliaryMobile'
+        'auxiliary_mobile': 'auxiliaryMobile',
+        'os_mismatch': 'osMismatch'
     }
 
-    def __init__(self, timezone_mismatch=None, public_vpn=None, auxiliary_mobile=None):  # noqa: E501
+    def __init__(self, timezone_mismatch=None, public_vpn=None, auxiliary_mobile=None, os_mismatch=None):  # noqa: E501
         """VpnResultMethods - a model defined in Swagger"""  # noqa: E501
         self._timezone_mismatch = None
         self._public_vpn = None
         self._auxiliary_mobile = None
+        self._os_mismatch = None
         self.discriminator = None
         self.timezone_mismatch = timezone_mismatch
         self.public_vpn = public_vpn
         self.auxiliary_mobile = auxiliary_mobile
+        self.os_mismatch = os_mismatch
 
     @property
     def timezone_mismatch(self):
@@ -124,6 +128,31 @@ def auxiliary_mobile(self, auxiliary_mobile):
 
         self._auxiliary_mobile = auxiliary_mobile
 
+    @property
+    def os_mismatch(self):
+        """Gets the os_mismatch of this VpnResultMethods.  # noqa: E501
+
+        The browser runs on a different operating system than the operating system inferred from the  request network signature.  # noqa: E501
+
+        :return: The os_mismatch of this VpnResultMethods.  # noqa: E501
+        :rtype: bool
+        """
+        return self._os_mismatch
+
+    @os_mismatch.setter
+    def os_mismatch(self, os_mismatch):
+        """Sets the os_mismatch of this VpnResultMethods.
+
+        The browser runs on a different operating system than the operating system inferred from the  request network signature.  # noqa: E501
+
+        :param os_mismatch: The os_mismatch of this VpnResultMethods.  # noqa: E501
+        :type: bool
+        """
+        if os_mismatch is None:
+            raise ValueError("Invalid value for `os_mismatch`, must not be `None`")  # noqa: E501
+
+        self._os_mismatch = os_mismatch
+
     def to_dict(self):
         """Returns the model properties as a dict"""
         result = {}
diff --git a/res/fingerprint-server-api.yaml b/res/fingerprint-server-api.yaml
index 9f5bab02..e84f04c5 100644
--- a/res/fingerprint-server-api.yaml
+++ b/res/fingerprint-server-api.yaml
@@ -348,6 +348,7 @@ paths:
                             timezoneMismatch: false
                             publicVPN: false
                             auxiliaryMobile: false
+                            osMismatch: false
                         proxy:
                           result: false
                         tampering:
@@ -1607,10 +1608,17 @@ components:
                 This method applies to mobile devices only. Indicates the result
                 of additional methods used to detect a VPN in mobile devices.
               example: false
+            osMismatch:
+              type: boolean
+              description: >-
+                The browser runs on a different operating system than the
+                operating system inferred from the  request network signature.
+              example: false
           required:
             - timezoneMismatch
             - publicVPN
             - auxiliaryMobile
+            - osMismatch
       required:
         - result
         - originTimezone
diff --git a/test/mocks/get_event_200.json b/test/mocks/get_event_200.json
index 7de02fd2..9e0e4336 100644
--- a/test/mocks/get_event_200.json
+++ b/test/mocks/get_event_200.json
@@ -178,7 +178,8 @@
         "methods": {
           "timezoneMismatch": false,
           "publicVPN": false,
-          "auxiliaryMobile": false
+          "auxiliaryMobile": false,
+          "osMismatch": false
         }
       }
     },
diff --git a/test/mocks/webhook.json b/test/mocks/webhook.json
index f480e3e8..64cd698f 100644
--- a/test/mocks/webhook.json
+++ b/test/mocks/webhook.json
@@ -123,7 +123,8 @@
     "methods": {
       "timezoneMismatch": false,
       "publicVPN": false,
-      "auxiliaryMobile": false
+      "auxiliaryMobile": false,
+      "osMismatch": false
     }
   },
   "proxy": {