diff --git a/pom.xml b/pom.xml
index b7cb944..1a006b9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,6 +22,7 @@
 		<!-- Convenience property to set the GWT version -->
 		<gwt.version>2.9.0</gwt.version>
 		<gwt.compiler.style>PRETTY</gwt.compiler.style>
+		<gson.version>2.6.2</gson.version>
 		<webappDirectory>${project.build.directory}/${project.build.finalName}</webappDirectory>
 		<!-- GWT 2.9 support 8, 9 and 11 -->
 		<maven.compiler.source>1.8</maven.compiler.source>
@@ -198,6 +199,11 @@
 			<artifactId>guava</artifactId>
 		</dependency>
 
+		<dependency>
+			<groupId>com.google.code.gson</groupId>
+			<artifactId>gson</artifactId>
+			<version>${gson.version}</version>
+		</dependency>
 		<dependency>
 			<groupId>org.gcube.common</groupId>
 			<artifactId>keycloak-client</artifactId>