diff --git a/.sdk-version b/.sdk-version
index aed1eb7..1f7701b 100644
--- a/.sdk-version
+++ b/.sdk-version
@@ -1 +1 @@
-v2.86.0
+v2.88.1
diff --git a/docs/BinariesApi.md b/docs/BinariesApi.md
index 26ebdfc..d7b4504 100644
--- a/docs/BinariesApi.md
+++ b/docs/BinariesApi.md
@@ -15,7 +15,7 @@ Method | HTTP request | Description
 
 
 # **download_zipped_binary**
-> object download_zipped_binary(binary_id)
+> bytearray download_zipped_binary(binary_id)
 
 Downloads a zipped binary with password protection
 
@@ -71,7 +71,7 @@ Name | Type | Description  | Notes
 
 ### Return type
 
-**object**
+**bytearray**
 
 ### Authorization
 
@@ -80,13 +80,13 @@ Name | Type | Description  | Notes
 ### HTTP request headers
 
  - **Content-Type**: Not defined
- - **Accept**: application/json
+ - **Accept**: application/zip, application/json
 
 ### HTTP response details
 
 | Status code | Description | Response headers |
 |-------------|-------------|------------------|
-**200** | Successful Response |  -  |
+**200** | Download file |  -  |
 **422** | Invalid request parameters |  -  |
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
diff --git a/revengai/__init__.py b/revengai/__init__.py
index dc03fcb..5d11f81 100644
--- a/revengai/__init__.py
+++ b/revengai/__init__.py
@@ -13,7 +13,7 @@
 """  # noqa: E501
 
 
-__version__ = "v2.86.0"
+__version__ = "v2.88.1"
 
 # Define package exports
 __all__ = [
diff --git a/revengai/api/binaries_api.py b/revengai/api/binaries_api.py
index 07d5d48..9efbd9b 100644
--- a/revengai/api/binaries_api.py
+++ b/revengai/api/binaries_api.py
@@ -15,8 +15,8 @@
 from typing import Any, Dict, List, Optional, Tuple, Union
 from typing_extensions import Annotated
 
-from pydantic import StrictInt
-from typing import Any
+from pydantic import StrictBytes, StrictInt, StrictStr
+from typing import Tuple, Union
 from revengai.models.base_response_additional_details_status_response import BaseResponseAdditionalDetailsStatusResponse
 from revengai.models.base_response_binaries_related_status_response import BaseResponseBinariesRelatedStatusResponse
 from revengai.models.base_response_binary_additional_response import BaseResponseBinaryAdditionalResponse
@@ -59,7 +59,7 @@ def download_zipped_binary(
         _content_type: Optional[StrictStr] = None,
         _headers: Optional[Dict[StrictStr, Any]] = None,
         _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
-    ) -> object:
+    ) -> bytearray:
         """Downloads a zipped binary with password protection
 
 
@@ -96,7 +96,7 @@ def download_zipped_binary(
         )
 
         _response_types_map: Dict[str, Optional[str]] = {
-            '200': "object",
+            '200': "bytearray",
             '422': "BaseResponse",
         }
         response_data = self.api_client.call_api(
@@ -126,7 +126,7 @@ def download_zipped_binary_with_http_info(
         _content_type: Optional[StrictStr] = None,
         _headers: Optional[Dict[StrictStr, Any]] = None,
         _host_index: Annotated[StrictInt, Field(ge=0, le=0)] = 0,
-    ) -> ApiResponse[object]:
+    ) -> ApiResponse[bytearray]:
         """Downloads a zipped binary with password protection
 
 
@@ -163,7 +163,7 @@ def download_zipped_binary_with_http_info(
         )
 
         _response_types_map: Dict[str, Optional[str]] = {
-            '200': "object",
+            '200': "bytearray",
             '422': "BaseResponse",
         }
         response_data = self.api_client.call_api(
@@ -230,7 +230,7 @@ def download_zipped_binary_without_preload_content(
         )
 
         _response_types_map: Dict[str, Optional[str]] = {
-            '200': "object",
+            '200': "bytearray",
             '422': "BaseResponse",
         }
         response_data = self.api_client.call_api(
@@ -276,6 +276,7 @@ def _download_zipped_binary_serialize(
         if 'Accept' not in _header_params:
             _header_params['Accept'] = self.api_client.select_header_accept(
                 [
+                    'application/zip', 
                     'application/json'
                 ]
             )
diff --git a/revengai/api_client.py b/revengai/api_client.py
index e058719..ecd22e4 100644
--- a/revengai/api_client.py
+++ b/revengai/api_client.py
@@ -90,7 +90,7 @@ def __init__(
             self.default_headers[header_name] = header_value
         self.cookie = cookie
         # Set default User-Agent.
-        self.user_agent = 'OpenAPI-Generator/v2.86.0/python'
+        self.user_agent = 'OpenAPI-Generator/v2.88.1/python'
         self.client_side_validation = configuration.client_side_validation
 
     def __enter__(self):
diff --git a/revengai/configuration.py b/revengai/configuration.py
index 3595d90..e470f99 100644
--- a/revengai/configuration.py
+++ b/revengai/configuration.py
@@ -533,8 +533,8 @@ def to_debug_report(self) -> str:
         return "Python SDK Debug Report:\n"\
                "OS: {env}\n"\
                "Python Version: {pyversion}\n"\
-               "Version of the API: v2.86.0\n"\
-               "SDK Package Version: v2.86.0".\
+               "Version of the API: v2.88.1\n"\
+               "SDK Package Version: v2.88.1".\
                format(env=sys.platform, pyversion=sys.version)
 
     def get_host_settings(self) -> List[HostSetting]: