diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 488f1adb5e..d23d0104a4 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.55.2"
+  ".": "1.55.3"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8009aac671..866d34cb4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.55.3 (2024-11-28)
+
+Full Changelog: [v1.55.2...v1.55.3](https://github.com/openai/openai-python/compare/v1.55.2...v1.55.3)
+
+### Bug Fixes
+
+* **client:** compat with new httpx 0.28.0 release ([#1904](https://github.com/openai/openai-python/issues/1904)) ([72b6c63](https://github.com/openai/openai-python/commit/72b6c636c526885ef873580a07eff1c18e76bc10))
+
 ## 1.55.2 (2024-11-27)
 
 Full Changelog: [v1.55.1...v1.55.2](https://github.com/openai/openai-python/compare/v1.55.1...v1.55.2)
diff --git a/pyproject.toml b/pyproject.toml
index 4842cceea4..06c0e7fd73 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openai"
-version = "1.55.2"
+version = "1.55.3"
 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 5b04f5cc00..c6d4c88a6d 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__ = "1.55.2"  # x-release-please-version
+__version__ = "1.55.3"  # x-release-please-version