diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79a33be29..95eeec9fe 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]
+ - Fixed `hf iclass chk` -  multithread concurrency issues solved (@iceman1001)
  - Fixed hf_iceclass standalone - correct null terminator filename (@metalauricle)
  - Changed `trace list -t mfdes - added annotations for EV2, EV3 (@iceman1001)`
  - Changed `hf iclass lookup` - fixed swapped args (@iceman1001)