diff --git a/spring-mvc-kotlin/README.md b/spring-mvc-kotlin/README.md
index b7cbcb1a7a..4e92117c52 100644
--- a/spring-mvc-kotlin/README.md
+++ b/spring-mvc-kotlin/README.md
@@ -1,3 +1,4 @@
 ### Relevant articles
 - [Spring MVC Setup with Kotlin](http://www.baeldung.com/spring-mvc-kotlin)
 - [Working with Kotlin and JPA](https://github.com/eugenp/tutorials/tree/master/spring-mvc-kotlin)
+- [Kotlin-allopen and Spring](http://www.baeldung.com/kotlin-allopen-spring)