diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 802e19924e..fc624851e9 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.59.5"
+  ".": "1.59.6"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3a67b7ac9..e65def028e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## 1.59.6 (2025-01-09)
+
+Full Changelog: [v1.59.5...v1.59.6](https://github.com/openai/openai-python/compare/v1.59.5...v1.59.6)
+
+### Bug Fixes
+
+* correctly handle deserialising `cls` fields ([#2002](https://github.com/openai/openai-python/issues/2002)) ([089c820](https://github.com/openai/openai-python/commit/089c820c8a5d20e9db6a171f0a4f11b481fe8465))
+
+
+### Chores
+
+* **internal:** spec update ([#2000](https://github.com/openai/openai-python/issues/2000)) ([36548f8](https://github.com/openai/openai-python/commit/36548f871763fdd7b5ce44903d186bc916331549))
+
 ## 1.59.5 (2025-01-08)
 
 Full Changelog: [v1.59.4...v1.59.5](https://github.com/openai/openai-python/compare/v1.59.4...v1.59.5)
diff --git a/pyproject.toml b/pyproject.toml
index 7529b69960..4131e9c1fd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openai"
-version = "1.59.5"
+version = "1.59.6"
 description = "The official Python library for the openai API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/openai/_version.py b/src/openai/_version.py
index f8a67d7937..fa93e603a6 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__ = "1.59.5"  # x-release-please-version
+__version__ = "1.59.6"  # x-release-please-version