diff --git a/CHANGELOG.md b/CHANGELOG.md
index 668e2c32c..e865190c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
 This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
 
 ## [unreleased][unreleased]
+ - Enable unique USB serial numbers when built with `FLASH` -- **_UPDATES BOOTROM ALSO_**
  - Changed the readline package to v8.2 in the CMAKE files for the client (@iceman1001)
  - Add ICECLASS standalone read/sim mode (@natesales)
  - Added verbose flag to `hf iclass encode` (@natesales)