CHANGELOG.md in queue-bus-0.13.2 vs CHANGELOG.md in queue-bus-0.13.3

@@ -4,9 +4,12 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+## [0.13.3]
+- modifies `queuebus:unsubscribe` to decommission only the specified application when passed exactly one argument.
+
 ## [0.13.2]
 
 ### Fixes
 
 - Properly passes the attributes down to the subscription when using `on_heartbeat`