diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 7e4064260b..028ed90273 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.56.1"
+  ".": "1.56.2"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad4ea007e8..f91f69338b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.56.2 (2024-12-04)
+
+Full Changelog: [v1.56.1...v1.56.2](https://github.com/openai/openai-python/compare/v1.56.1...v1.56.2)
+
+### Chores
+
+* make the `Omit` type public ([#1919](https://github.com/openai/openai-python/issues/1919)) ([4fb8a1c](https://github.com/openai/openai-python/commit/4fb8a1cf1f8df37ce8c027bbaaac85a648bae02a))
+
 ## 1.56.1 (2024-12-03)
 
 Full Changelog: [v1.56.0...v1.56.1](https://github.com/openai/openai-python/compare/v1.56.0...v1.56.1)
diff --git a/pyproject.toml b/pyproject.toml
index 93ababf9b7..7ca731eb7d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openai"
-version = "1.56.1"
+version = "1.56.2"
 description = "The official Python library for the openai API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/openai/__init__.py b/src/openai/__init__.py
index 3c1ebb573d..21c60f7e87 100644
--- a/src/openai/__init__.py
+++ b/src/openai/__init__.py
@@ -6,7 +6,7 @@
 from typing_extensions import override
 
 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, OpenAI, Stream, Timeout, Transport, AsyncClient, AsyncOpenAI, AsyncStream, RequestOptions
 from ._models import BaseModel
@@ -43,6 +43,7 @@
     "ProxiesTypes",
     "NotGiven",
     "NOT_GIVEN",
+    "Omit",
     "OpenAIError",
     "APIError",
     "APIStatusError",
diff --git a/src/openai/_version.py b/src/openai/_version.py
index c879d22094..190d3a5fe1 100644
--- a/src/openai/_version.py
+++ b/src/openai/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "openai"
-__version__ = "1.56.1"  # x-release-please-version
+__version__ = "1.56.2"  # x-release-please-version