diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf105794e..3021263d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Authentication mechanism to use bcrypt on server side. #1139
 - `server_config.json` puts environment config options in a separate section
   named "environment". #1161
+- Improved the structure of unit tests by scoping fixtures only to relevant modules
+  instead of having a one huge fixture file, improved and renamed the directory
+  structure of unit tests and unit test infrastructure. #1178
 
 ### Removed
 - Relevant dead code as reported by Vulture. #1149