diff --git a/src/main/java/org/gcube/resourcemanagement/model/impl/properties/AttributePropertyImpl.java b/src/main/java/org/gcube/resourcemanagement/model/impl/properties/AttributePropertyImpl.java
index 79ac887..acf922e 100644
--- a/src/main/java/org/gcube/resourcemanagement/model/impl/properties/AttributePropertyImpl.java
+++ b/src/main/java/org/gcube/resourcemanagement/model/impl/properties/AttributePropertyImpl.java
@@ -6,9 +6,9 @@ package org.gcube.resourcemanagement.model.impl.properties;
 import org.gcube.com.fasterxml.jackson.annotation.JsonIgnore;
 import org.gcube.com.fasterxml.jackson.annotation.JsonSetter;
 import org.gcube.com.fasterxml.jackson.annotation.JsonTypeName;
-import org.gcube.informationsystem.model.impl.properties.AttributeUtility;
 import org.gcube.informationsystem.types.PropertyTypeName;
 import org.gcube.informationsystem.types.reference.properties.PropertyDefinition;
+import org.gcube.informationsystem.utils.AttributeUtility;
 import org.gcube.resourcemanagement.model.reference.properties.AttributeProperty;
 
 /**