diff --git a/src/anthropic/__init__.py b/src/anthropic/__init__.py
index ba2de4dc..ef92424d 100644
--- a/src/anthropic/__init__.py
+++ b/src/anthropic/__init__.py
@@ -1,7 +1,7 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 from . import types
-from ._types import NOT_GIVEN, NoneType, NotGiven, Transport, ProxiesTypes
+from ._types import NOT_GIVEN, Omit, NoneType, NotGiven, Transport, ProxiesTypes
 from ._utils import file_from_path
 from ._client import (
     Client,
@@ -52,6 +52,7 @@
     "ProxiesTypes",
     "NotGiven",
     "NOT_GIVEN",
+    "Omit",
     "AnthropicError",
     "APIError",
     "APIStatusError",