diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2ea21a1..a783400 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+ - Changed ProcessorUtils to use CrestronEnvironment to retrive serial number - this fixes issues with new serial numbers that aren't deciaml TSIDs
 
 ## [8.9.0] - 2020-04-30
 ### Changed