Due to the nature of most deployments XVault does not currently auto-update. When you log into the Web Management Interface you will be advised if a newer version is available. Groupcall recommends that you run the latest version of XVault for all security benefits, bug fixes and access to new features.
To upgrade XVault follow the link in the Web Management Interface and download the install/upgrade tool.
Ensure you back up your database as necessary.
Run the installer/upgrader tool which will stop Apache Tomcat, upgrade XVault then start Apache Tomcat.