DOC: Updated changelog.

doc/CHANGELOG.md

@@ -5,20 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
-
-### Added
-
-### Changed
-
-### Deprecated
-
-### Removed
-
-### Fixed
+## [0.1.1 - 2022-04-12]
 
 ### Security
 
+- Bumped zlib dependency to 1.2.12.
+
 ## [0.1.0 - 2021-12-11]
 
 Initial Release.