diff --git a/libraries-2/README.md b/libraries-2/README.md
index 6b98e95725..349744740c 100644
--- a/libraries-2/README.md
+++ b/libraries-2/README.md
@@ -9,3 +9,4 @@
 - [Decode an OkHttp JSON Response](https://www.baeldung.com/okhttp-json-response)
 - [Key Value Store with Chronicle Map](https://www.baeldung.com/java-chronicle-map)
 - [Matrix Multiplication in Java](https://www.baeldung.com/java-matrix-multiplication)
+- [Guide to MapDB](https://www.baeldung.com/mapdb)