Upgrading OWB from 11.2.0.2 to 11.2.0.4

After I upgraded my database from 11.2.0.2 to 11.2.0.4 , I found that all the compoenents except Oracle Warehouse Builder was upgraded

Oracle Application Express : 4.2.4.00.08 : VALID
OWB : 11.2.0.2.0 : VALID
Oracle Enterprise Manager : 11.2.0.4.0 : VALID
OLAP Catalog : 11.2.0.4.0 : VALID
Spatial : 11.2.0.4.0 : VALID
Oracle Multimedia : 11.2.0.4.0 : VALID
Oracle XML Database : 11.2.0.4.0 : VALID
Oracle Text : 11.2.0.4.0 : VALID
Oracle Expression Filter : 11.2.0.4.0 : VALID
Oracle Rules Manager : 11.2.0.4.0 : VALID
Oracle Workspace Manager : 11.2.0.4.0 : VALID
Oracle Database Catalog Views : 11.2.0.4.0 : VALID
Oracle Database Packages and Types : 11.2.0.4.0 : VALID
JServer JAVA Virtual Machine : 11.2.0.4.0 : VALID
Oracle XDK : 11.2.0.4.0 : VALID
Oracle Database Java Packages : 11.2.0.4.0 : VALID
OLAP Analytic Workspace : 11.2.0.4.0 : VALID
Oracle OLAP API : 11.2.0.4.0 : VALID

I am sure that our application is not using OWB , but still I wanted have it upgraded to latest version .

All we did was :

@?/owb/UnifiedRepos/clean_owbsys.sql

@?/owb/UnifiedRepos/cat_owb.sql

and done

COMP_NAME||':'||VERSION||':'||STATUS

-----------------------------------------------------------------

OWB : 11.2.0.4.0 : VALID