diff --git a/README.md b/README.md
index aa27fd4..5488b39 100644
--- a/README.md
+++ b/README.md
@@ -207,6 +207,8 @@ Habitica is a gamified task manager, webapp and android/ios app, really wonderfu
 - [Atrium](https://github.com/robstoll/atrium/labels/good%20first%20issue) _(label: good first issue)_ <br> Multiplatform assertion library for Kotlin
 - [Hexagon](https://github.com/hexagonkt/hexagon/labels/help%20wanted) _(label: help wanted)_ <br> A microservices toolkit written in Kotlin
 - [Non-Blocking SirixDB HTTP(S)-Server](https://github.com/sirixdb/sirix/labels/good%20first%20issue) _(label: good first issue)_ <br> A <a href="https://github.com/sirixdb/sirix/tree/master/bundles/sirix-rest-api">non-blocking HTTP(S)-Server</a> for <a href="https://sirix.io">SirixDB</a>, a temporal, evolutionary NoSQL document store for XML and JSON.
+- [Kotlin Libraries Playground](https://github.com/LouisCAD/kotlin-libraries-playground/labels/good%20first%20issue) _(label: good first issue)_ <br>  A playground to gain a wider and deeper knowledge of the libraries in the Kotlin ecosystem. Also the official sample for gradle refreshVersions. 
+
 
 ## LaTeX