diff --git a/CHANGELOG.md b/CHANGELOG.md
index 08fcabc..060ae95 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres
 to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.21.0] - 2023-11-22
+
+### Changed
+* [Update FCS to 43.8.100](https://github.com/ionide/FSharp.Analyzers.SDK/pull/168) (thanks @nojaf!)
+
 ## [0.20.2] - 2023-11-14
 
 ### Fixed