diff --git a/kotlin-libraries/README.md b/kotlin-libraries/README.md
index 5e2526e64e..bf0c12259e 100644
--- a/kotlin-libraries/README.md
+++ b/kotlin-libraries/README.md
@@ -10,3 +10,4 @@
 - [Introduction to Arrow in Kotlin](https://www.baeldung.com/kotlin-arrow)
 - [Kotlin with Ktor](https://www.baeldung.com/kotlin-ktor)
 - [REST API With Kotlin and Kovert](https://www.baeldung.com/kotlin-kovert)
+- [Kotlin Immutable Collections](https://www.baeldung.com/kotlin-immutable-collections)