diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96f7670e..954d5c2b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,10 @@ 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).
 
-## Unreleased
+## [6.0.0] - 2025-11-26
+
+### Added
+- Support Delos and Gov SG clouds
 
 ### Changed
 
@@ -25,6 +28,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [5.0.4] - 2025-06-24
 
 ### Changed
+
 - CloudSettings will now reuse the HTTP session from the query client for sync clients.
 
 ### Fixed