diff --git a/CHANGELOG.md b/CHANGELOG.md
index df77cca..8d0060f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +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).
 
+## [5.0.0] - 2025-08-14
+
+- Moved channel field to root of AddTranscript message for multichannel transcription.
+
 ## [4.0.9] - 2025-07-03
 
 - Deprecating `speechmatics-python` in favor of `speechmatics-rt` for real-time transcription and 'speechmatics-batch' for batch transcription.
diff --git a/VERSION b/VERSION
index 7919852..0062ac9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.0.9
+5.0.0