If you are upgrading from WebSphere Business Integration Adapters version 2.3.1, apply the WebSphere MQ Integrator Broker CSD05 Service Pack. Obtain the package from the following URL:
http://www.ibm.com/software/integration/mqfamily/support/ summary/mqsib.html
Contact your IBM representative for details of how to upgrade WebSphere MQ Integrator.
This is the first release for which WebSphere Business Integration Message Broker is supported, so no upgrades are necessary.