diff --git a/pom.xml b/pom.xml
index 7d711aa..a845bcb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -44,7 +44,6 @@
 		<dependency>
 			<groupId>org.gcube.dvos</groupId>
 			<artifactId>usermanagement-core</artifactId>
-			<version>[2.0.0-SNAPSHOT, 3.0.0-SNAPSHOT)</version>
 		</dependency>
 		<dependency>
 			<groupId>javax.servlet</groupId>
@@ -55,7 +54,6 @@
 		<dependency>
 			<groupId>javax.portlet</groupId>
 			<artifactId>portlet-api</artifactId>
-			<version>2.0</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>
@@ -66,13 +64,11 @@
 		<dependency>
 			<groupId>com.liferay.portal</groupId>
 			<artifactId>portal-service</artifactId>
-			<version>${liferay.version}</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>
 			<groupId>com.liferay.portal</groupId>
 			<artifactId>util-java</artifactId>
-			<version>${liferay.version}</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>