Update CHANGELOG.md

Author: thomashoneyman

CHANGELOG.md

@@ -6,14 +6,17 @@ Notable changes to this project are documented in this file. The format is based
 
 Breaking changes:
 
-- Upgrade to parsing v7.0.0, replace all `StringLike` constraints with `String` type (#76 by @jamesdbrock)
-
 New features:
 
 Bugfixes:
 
 Other improvements:
 
+## [v6.0.0](https://github.com/purescript-contrib/purescript-formatters/releases/tag/v6.0.0) - 2021-10-16
+
+Breaking changes:
+- Upgraded to parsing v7.0.0, replace all `StringLike` constraints with `String` type (#76 by @jamesdbrock)
+
 ## [v5.0.1](https://github.com/purescript-contrib/purescript-formatters/releases/tag/v5.0.1) - 2021-05-06
 
 Other improvements: