diff --git a/README.md b/README.md
index 3b50626..902f2a8 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,11 @@ The gCube Data Catalog Portlet powered by CKAN
 * [OpenJDK](https://openjdk.java.net/) - The JDK used
 * [Maven](https://maven.apache.org/) - Dependency Management
 
+**Uses**
+
+* GWT v.2.9.0. [GWT](http://www.gwtproject.org) is licensed under [Apache License 2.0](http://www.gwtproject.org/terms.html)
+* GWT-Bootstrap v.2.3.2.0. [GWT-Bootstrap](https://github.com/gwtbootstrap) is licensed under [Apache License 2.0](http://www.apache.org/licenses/LICENSE-2.0)
+
 ## Documentation
 
 You can find the D4Science Catalogue documentation at [GCat Background Wiki Page](https://wiki.gcube-system.org/GCat_Background)