diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7fe06e2d..6656493b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [2.0.1] (unreleased)
 
+### Added
+- Add clean_forgotten_scans(). [#171](https://github.com/greenbone/ospd/pull/171)
+
 ### Changed
 - Set loglevel to debug for some message. [#159](https://github.com/greenbone/ospd/pull/159)
 - Improve error handling when stop a scan. [#163](https://github.com/greenbone/ospd/pull/163)