diff --git a/apps/odtn/api/src/main/java/org/onosproject/odtn/utils/tapi/DcsBasedTapiObjectRefFactory.java b/apps/odtn/api/src/main/java/org/onosproject/odtn/utils/tapi/DcsBasedTapiObjectRefFactory.java
index e1d1889..166e8e3 100644
--- a/apps/odtn/api/src/main/java/org/onosproject/odtn/utils/tapi/DcsBasedTapiObjectRefFactory.java
+++ b/apps/odtn/api/src/main/java/org/onosproject/odtn/utils/tapi/DcsBasedTapiObjectRefFactory.java
@@ -16,10 +16,10 @@
 
 package org.onosproject.odtn.utils.tapi;
 
-import org.onosproject.yang.gen.v1.tapiconnectivity.rev20180307.tapiconnectivity.connection.ConnectionEndPoint;
-import org.onosproject.yang.gen.v1.tapitopology.rev20180307.tapitopology.node.OwnedNodeEdgePoint;
-import org.onosproject.yang.gen.v1.tapitopology.rev20180307.tapitopology.topology.Node;
-import org.onosproject.yang.gen.v1.tapitopology.rev20180307.tapitopology.topologycontext.Topology;
+import org.onosproject.yang.gen.v1.tapiconnectivity.rev20181016.tapiconnectivity.connection.ConnectionEndPoint;
+import org.onosproject.yang.gen.v1.tapitopology.rev20181016.tapitopology.node.OwnedNodeEdgePoint;
+import org.onosproject.yang.gen.v1.tapitopology.rev20181016.tapitopology.topology.Node;
+import org.onosproject.yang.gen.v1.tapitopology.rev20181016.tapitopology.topologycontext.Topology;
 
 /**
  * Util class to create TapiXXXRef class instances using classes auto-generated by onos-yang-tool compiler.
@@ -59,8 +59,8 @@
      * @return cep reference instance
      */
     public static TapiCepRef create(ConnectionEndPoint cep) {
-        return TapiCepRef.create(cep.topologyId().toString(), cep.nodeId().toString(),
-                cep.ownedNodeEdgePointId().toString(), cep.connectionEndPointId().toString());
+        return TapiCepRef.create(cep.topologyUuid().toString(), cep.nodeUuid().toString(),
+                                 cep.nodeEdgePointUuid().toString(), cep.connectionEndPointUuid().toString());
     }
 
 }