diff --git a/README.md b/README.md
index 9188823..3fc1f22 100644
--- a/README.md
+++ b/README.md
@@ -141,6 +141,7 @@ Single Codebase, Two Apps with Flutter and Firebase (Google I/O '17)
 - [Facebook Auth](https://medium.com/@segaud.kevin/facebook-oauth-login-flow-with-flutter-9adb717c9f2e) - Facebook OAuth by [Kevin Segaud](https://twitter.com/kevin_segaud)
 - [Flutter OAuth](https://github.com/hitherejoe/FlutterOAuth) - Buffer, Strava, Unsplash, Github OAuth by [Joe Birch](http://www.hitherejoe.com)
 - [Instagram](https://hackernoon.com/instagram-authentication-with-flutter-df6424d2d56c) - Instagram auth by [Wilfried Mbouenda Mbogne](http://developer-journey.com/)
+- [Slack OAuth](https://github.com/Kunstmaan/flutter_slack_oauth) - Slack OAuth
 
 ### Text & Rich Content