diff --git a/CHANGELOG.md b/CHANGELOG.md
index 766589c..26e128d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,14 @@
 
 All notable changes to this project will be documented in this file.
 
-The format is based on [Keep a Changelog], and this project adheres to
-[Semantic Versioning].
+The format is based on [Keep a Changelog],
+and this project adheres to [Semantic Versioning].
+
+## [0.1.1] - 2021-02-15
+
+### Features
+
+- stripAlpha option ([`8f08742`])
 
 ## [0.1.0] - 2021-02-15
 
@@ -23,6 +29,8 @@ The format is based on [Keep a Changelog], and this project adheres to
 
 [keep a changelog]: https://keepachangelog.com/en/1.0.0/
 [semantic versioning]: https://semver.org/spec/v2.0.0.html
+[0.1.1]: https://github.com/denosaurs/pngs/compare/0.1.0...0.1.1
+[`8f08742`]: https://github.com/denosaurs/pngs/commit/8f087428d3371526a71bff29a55dfe99f1929ea7
 [0.1.0]: https://github.com/denosaurs/pngs/compare/0.0.1...0.1.0
 [`a773268`]: https://github.com/denosaurs/pngs/commit/a773268b42dea41ddad6faed0419cfeb66b12267
 [`107a7f7`]: https://github.com/denosaurs/pngs/commit/107a7f7a2429657ebbc69dc45898eb33627f3cd5