diff --git a/CHANGELOG.md b/CHANGELOG.md
index cbd30e399b..fa022509eb 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/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.6.21] - 2025-08-10
+
+### Fixed
+
+- 🐞 **Chat Completion 'model_id' Error**: Resolved a critical issue where chat completions failed with an "undefined model_id" error after upgrading to version 0.6.20, ensuring all models now function correctly and reliably.
+- 🛠️ **Audit Log User Information Logging**: Fixed an issue where user information was not being correctly logged in the audit trail due to an unreflected function prototype change, ensuring complete logging for administrative oversight.
+- 🛠️ **OpenTelemetry Configuration Consistency**: Fixed an issue where OpenTelemetry metric and log exporters' 'insecure' settings did not correctly default to the general OpenTelemetry 'insecure' flag, ensuring consistent security configurations across all OpenTelemetry exports.
+- 🌐 **Localization & Internationalization Improvements**: Refined and expanded translations for Catalan, ensuring a more fluent and native experience for global users.
+
 ## [0.6.20] - 2025-08-10
 
 ### Fixed