1 files changed, 1 insertions, 1 deletions

diff --git a/common/onap-tosca-datatype/src/main/java/org/onap/sdc/tosca/datatypes/model/Constraint.java b/common/onap-tosca-datatype/src/main/java/org/onap/sdc/tosca/datatypes/model/Constraint.java
index a21e31b387..f119d6f71c 100644
--- a/common/onap-tosca-datatype/src/main/java/org/onap/sdc/tosca/datatypes/model/Constraint.java
+++ b/common/onap-tosca-datatype/src/main/java/org/onap/sdc/tosca/datatypes/model/Constraint.java
@@ -23,7 +23,7 @@ package org.onap.sdc.tosca.datatypes.model;
 import java.util.ArrayList;
 import java.util.List;
 
-public class Constraint {
+public class Constraint implements Cloneable {
   private Object equal;
   private Object greater_or_equal;
   private Object greater_than;