You can update CoverBuilder to the latest version (2.9.6) in two easy steps via Adobe Extension Manager.
1. Open Adobe Extension Manager (Located in your Application folder) If there is an update available the CoverBuilder Extension will show “Update Available”
2. Select the CoverBuilder extension and two button will appear saying “Update” and “Remove” Choose “Update”
Get notified when there is an update available by subscribing to the mailinglist or following this question.