ZCM Agent Re-deployment

Need some assistance with best practice. If you've deployed the ZCM agent to workstations and have workstation objects in ZCM with various bundles and policies associated to them, but your image for said workstations still has the ZFD 7.0 agent on it and is pushed down to one of these workstations, is there a way to re-deploy the ZCM agent without having to delete/retire the object for that workstation in ZCM?

Thanks for any assistance.

Dan