diff --git a/CHANGELOG.md b/CHANGELOG.md
index 242ff9c7..9a539feb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+### Added
+- `duration` option for `Movie#play`.
+
 ### Fixed
 - Audio and video layers going silent after the first time recording the movie ([#106](https://github.com/etro-js/etro/issues/106)).