diff --git a/CHANGELOG.md b/CHANGELOG.md
index d01b2672..5840dc82 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [6.0.3] - 2026-03-31
+
+### Fixed
+- Fixed `KustoApiError` crashing when no message is provided by defaulting to "Unknown Kusto service error".
+- Updated `KustoApiError.__init__` `message` parameter type to `Optional[str]`.
+
+### Changed
+- Bumped dependencies: aiohttp 3.13.4, azure-core 1.39.0, cryptography 46.0.6, pygments 2.20.0, pyjwt 2.12.1, urllib3 2.6.3.
+
 ## [6.0.2] - 2026-02-19
 
 ### Fixed