diff --git a/core-java-modules/core-java-collections-maps-6/README.md b/core-java-modules/core-java-collections-maps-6/README.md
index fc12a1bb25..5b45752e74 100644
--- a/core-java-modules/core-java-collections-maps-6/README.md
+++ b/core-java-modules/core-java-collections-maps-6/README.md
@@ -1,2 +1,3 @@
 ## Relevant Articles
 - [Copying All Keys and Values From One Hashmap Onto Another Without Replacing Existing Keys and Values](https://www.baeldung.com/java-copy-hashmap-no-changes)
+- [Convert Hashmap to JSON Object in Java](https://www.baeldung.com/java-convert-hashmap-to-json-object)