diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1ab96b..e16e726 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [0.1.1] - 2018-03-05
 ### Fixed
 - Make `AbstractMappingTransformer::transform()` public instead of protected