## [v5.1.1](https://github.com/pubnub/kotlin/releases/tag/v5.1.1)
January 20 2021

[Full Changelog](https://github.com/pubnub/kotlin/compare/v5.1.0...v5.1.1)

- File upload encryption fix. 
- Asynchronous file upload encryption fix. 
- Telemetry fix - removal of `putIfAbsent`. 


