diff --git a/pom.xml b/pom.xml
index 7d50c55..ab92703 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
 	<groupId>org.gcube.portlets.user</groupId>
 	<artifactId>geoportal-data-viewer-app</artifactId>
 	<packaging>war</packaging>
-	<version>3.0.0-SNAPSHOT</version>
+	<version>3.1.0-SNAPSHOT</version>
 	<name>GeoPortal Data Viewer App</name>
 	<description>The GeoPortal Data Viewer App is an application to access, discovery and navigate the Geoportal projects/documents by a Web-Map Interface</description>
 
@@ -23,6 +23,7 @@
 		<gwt.version>2.9.0</gwt.version>
 		<gwt.compiler.style>PRETTY</gwt.compiler.style>
 		<gson.version>2.6.2</gson.version>
+		<gwt-ol.version>8.1.0-gwt2_9</gwt-ol.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>
@@ -64,13 +65,6 @@
 
 	<dependencies>
 
-		<!-- <dependency> -->
-		<!-- <groupId>javax.servlet</groupId> -->
-		<!-- <artifactId>javax.servlet-api</artifactId> -->
-		<!-- <version>3.1.0</version> -->
-		<!-- <scope>provided</scope> -->
-		<!-- </dependency> -->
-
 		<dependency>
 			<groupId>xml-apis</groupId>
 			<artifactId>xml-apis</artifactId>
@@ -109,7 +103,7 @@
 		<dependency>
 			<groupId>com.github.tdesjardins</groupId>
 			<artifactId>gwt-ol3</artifactId>
-			<version>8.1.0-gwt2_9</version>
+			<version>${gwt-ol.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.github.gwtbootstrap</groupId>