diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5b8477d..c93a40e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,12 +2,16 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 # Changelog for gCube Smartgears Bom
 
-# [v2.4.0]
+## [v3.0.0-SNAPSHOT]
 
-- update gcube-bom to 2.3.0
-- remove versions from components alredy defined in gcube-bom
+- Moved to smartgears 4.0.0 
+- Enhanced ranges of common libraries
+- Enhanced ranges of gx-rest libraries
+- Enhanced ranges of authorization libraries
+- Replaced common-utility-sg3 with common-utility-sg4
 
-# [v2.3.0]
+
+# [v2.3.0-SNAPSHOT]
 
 - Enhanced information-system-model version range
 - Enhanced gcube-model version lower bound of range
diff --git a/pom.xml b/pom.xml
index b67d36d..c5d8659 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 	</parent>
 	<groupId>org.gcube.distribution</groupId>
 	<artifactId>gcube-smartgears-bom</artifactId>
-	<version>2.4.0</version>
+	<version>3.0.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>gCube Smartgears Bom</name>
 	<description>
@@ -34,16 +34,22 @@
 			<dependency>
 				<groupId>org.gcube.distribution</groupId>
 				<artifactId>gcube-bom</artifactId>
-				<version>2.3.0</version>
+				<version>3.0.0-SNAPSHOT</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
 			<!-- END Imports -->
 			<!-- Setting scope to provided to dependencies already declared in gcube-bom -->
+			<dependency>
+				<groupId>org.gcube.common</groupId>
+				<artifactId>common-security</artifactId>
+				<version>[1.0.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
+				<scope>provided</scope>
+			</dependency>
 			<dependency>
 				<groupId>org.gcube.core</groupId>
 				<artifactId>common-encryption</artifactId>
-				<version>[1.1.0,2.0.0-SNAPSHOT)</version>	
+				<version>[2.0.0-SNAPSHOT,3.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<dependency>
@@ -53,15 +59,15 @@
 				<scope>provided</scope>
 			</dependency>
 			<dependency>
-				<groupId>org.gcube.core</groupId>
-				<artifactId>common-gcore-stubs</artifactId>
-				<version>[1.2.4-SNAPSHOT,2.0.0-SNAPSHOT)</version>
+				<groupId>org.gcube.common.security</groupId>
+				<artifactId>gcube-secrets</artifactId>
+				<version>[1.0.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<dependency>
 				<groupId>org.gcube.core</groupId>
-				<artifactId>common-scope</artifactId>
-				<version>[1.3.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
+				<artifactId>common-gcore-stubs</artifactId>
+				<version>[2.0.0-SNAPSHOT,3.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<dependency>
@@ -79,7 +85,7 @@
 			<dependency>
 				<groupId>org.gcube.resources.discovery</groupId>
 				<artifactId>ic-client</artifactId>
-				<version>[1.0.5-SNAPSHOT,2.0.0-SNAPSHOT)</version> 
+				<version>[2.0.0-SNAPSHOT,3.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<dependency>
@@ -91,21 +97,19 @@
 			<dependency>
 				<groupId>org.gcube.common</groupId>
 				<artifactId>gxHTTP</artifactId>
-				<version>[1.1.2, 2.0.0-SNAPSHOT)</version>
+				<version>[2.0.0-SNAPSHOT,3.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<!-- Authorization Related Dependencies -->
 			<dependency>
 				<groupId>org.gcube.common</groupId>
 				<artifactId>authorization-client</artifactId>
-				<version>[2.0.4,3.0.0-SNAPSHOT)</version>
-				<scope>provided</scope>
+				<version>[3.0.0-SNAPSHOT,4.0.0-SNAPSHOT)</version>
 			</dependency>
 			<dependency>
 				<groupId>org.gcube.common</groupId>
 				<artifactId>common-authorization</artifactId>
-				<version>[2.2.0,3.0.0-SNAPSHOT)</version>
-				<scope>provided</scope>
+				<version>[3.0.0-SNAPSHOT,4.0.0-SNAPSHOT)</version>
 			</dependency>
 			<!-- END Authorization Related Dependencies -->
 
@@ -119,7 +123,7 @@
 			<dependency>
 				<groupId>org.gcube.accounting</groupId>
 				<artifactId>accounting-lib</artifactId>
-				<version>[4.0.0,5.0.0-SNAPSHOT)</version>
+				<version>[5.0.0-SNAPSHOT,6.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<!-- END Accounting Related Dependencies -->
@@ -127,8 +131,8 @@
 			<!-- Used for compatibility between SG 3 and 4 -->
 			<dependency>
 				<groupId>org.gcube.common</groupId>
-				<artifactId>common-utility-sg3</artifactId>
-				<version>[1.0.0,2.0.0-SNAPSHOT)</version>
+				<artifactId>common-utility-sg4</artifactId>
+				<version>[1.0.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<!-- END Used for compatibility between SG 3 and 4 -->
@@ -143,29 +147,35 @@
 			<dependency>
 				<groupId>org.gcube.resource-management</groupId>
 				<artifactId>gcube-model</artifactId>
-				<version>[4.1.0,5.0.0-SNAPSHOT)</version>
+				<version>[4.1.0-SNAPSHOT,5.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<dependency>
 				<groupId>org.gcube.information-system</groupId>
 				<artifactId>resource-registry-api</artifactId>
-				<version>[4.3.0,5.0.0-SNAPSHOT)</version>
+				<version>[4.3.0-SNAPSHOT,5.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<dependency>
 				<groupId>org.gcube.information-system</groupId>
 				<artifactId>resource-registry-client</artifactId>
-				<version>[4.3.0,5.0.0-SNAPSHOT)</version>
+				<version>[4.3.0-SNAPSHOT,5.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<dependency>
 				<groupId>org.gcube.information-system</groupId>
 				<artifactId>resource-registry-publisher</artifactId>
-				<version>[4.3.0,5.0.0-SNAPSHOT)</version>
+				<version>[4.3.0-SNAPSHOT,5.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<!-- END Facets Based Resource Model related dependencies -->
-
+			
+			<dependency>
+				<groupId>org.reflections</groupId>
+				<artifactId>reflections</artifactId>
+				<version>0.9.10</version>
+				<scope>provided</scope>
+			</dependency>
 			<dependency>
 				<groupId>org.slf4j</groupId>
 				<artifactId>slf4j-api</artifactId>
@@ -179,20 +189,19 @@
 			<dependency>
 				<groupId>org.gcube.core</groupId>
 				<artifactId>common-smartgears</artifactId>
-				<version>[3.1.6,4.0.0-SNAPSHOT)</version>
+				<version>[4.0.0-SNAPSHOT,5.0.0-SNAPSHOT)</version>
 				<scope>provided</scope>
 			</dependency>
 			<dependency>
 				<groupId>org.gcube.core</groupId>
 				<artifactId>common-smartgears-app</artifactId>
-				<version>[2.1.1,3.0.0-SNAPSHOT)</version>
+				<version>[3.0.0-SNAPSHOT,4.0.0-SNAPSHOT)</version>
 				<scope>compile</scope>
 			</dependency>
 			<dependency>
-				<groupId>org.gcube.core</groupId>
-				<artifactId>common-smartgears-utils</artifactId>
-				<version>[1.0.4-SNAPSHOT,2.0.0-SNAPSHOT)</version> <!--version to release -->
-				<scope>provided</scope>
+				<groupId>org.gcube.common.core</groupId>
+				<artifactId>legacy-is-publisher-connector</artifactId>
+				<version>[1.0.0-SNAPSHOT, 2.0.0-SNAPSHOT) </version>				<scope>provided</scope>
 			</dependency>
 			<dependency>
 				<groupId>org.gcube.core</groupId>