diff --git a/pom.xml b/pom.xml
index 1f3e3be..da34bbb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 	
 	<groupId>org.gcube.accounting</groupId>
 	<artifactId>accounting-lib</artifactId>
-	<version>2.1.0-SNAPSHOT</version>
+	<version>2.2.0-SNAPSHOT</version>
 	<name>Accounting Library</name>
 	<description>Accounting Library</description>
 	<packaging>jar</packaging>
@@ -63,11 +63,6 @@
 			<version>1.7.5</version>
 			<scope>provided</scope>
 		</dependency>
-		<dependency>
-			<groupId>org.reflections</groupId>
-			<artifactId>reflections</artifactId>
-			<version>0.9.10</version>
-		</dependency>
 
 		<!-- Test Dependency -->
 		<dependency>
diff --git a/src/main/java/org/gcube/accounting/persistence/AccountingPersistenceFactory.java b/src/main/java/org/gcube/accounting/persistence/AccountingPersistenceFactory.java
index 190352c..6798def 100644
--- a/src/main/java/org/gcube/accounting/persistence/AccountingPersistenceFactory.java
+++ b/src/main/java/org/gcube/accounting/persistence/AccountingPersistenceFactory.java
@@ -7,6 +7,8 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
+import org.gcube.accounting.datamodel.aggregation.AggregatedServiceUsageRecord;
+import org.gcube.accounting.datamodel.usagerecords.ServiceUsageRecord;
 import org.gcube.common.scope.api.ScopeProvider;
 import org.gcube.documentstore.persistence.PersistenceBackendFactory;
 
@@ -21,7 +23,9 @@ public class AccountingPersistenceFactory {
 	protected final static Map<String, AccountingPersistence> persistences;
 	
 	static {
-		persistences = new HashMap<String, AccountingPersistence>(); 
+		persistences = new HashMap<String, AccountingPersistence>();
+		PersistenceBackendFactory.addRecordPackage(ServiceUsageRecord.class.getPackage());
+		PersistenceBackendFactory.addRecordPackage(AggregatedServiceUsageRecord.class.getPackage());
 	}
 	
 	public static void setFallbackLocation(String path){