diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index d514838..7b3f893 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -4,6 +4,7 @@ Yii Framework 2 Change Log
 2.1.0 under development
 -----------------------
 
+- Bug #16327: Fix getComposer() yii\BaseYii::createObject(null) BaseMailer.php #16327. (cjtterabyte)
 - Bug #16065: Remove using `date.timezone` at `yii\base\Application`, use `date_default_timezone_get()` instead (sashsvamir)
 - Bug #12539: `yii\filters\ContentNegotiator` now generates 406 'Not Acceptable' instead of 415 'Unsupported Media Type' on content-type negotiation fail (PowerGamer1)
 - Bug #14458: Fixed `yii\filters\VerbFilter` uses case-insensitive comparison for the HTTP method name (klimov-paul)