Yes, if it’s not updating automatically then you can update it manually.You can done this from the c Panel and also from the command line.Furthermore, we at Site Ground have developed a special c Panel theme for our customers named Crystal.
Any other scripts, for any other programs, will automatically be set to use PHP 5.2. However, we cannot guarantee compatibility with third-party addons for these programs (themes, plugins etc.) and again we urge you to test your sites using the method above before this update is made.
Most likely, they will do it for free and it’s the most easiest way to update.
However, if they are refused or unable to do so, it's high time to switch to a reliable provider.
The c Panel tutorial is a part of the rich collection of web hosting tutorials which Site Ground experts have prepared for you.
c Panel offers a rich set of features, ranging from adding an email address to managing subdomain names.So, its high time to upgrade your server PHP version to PHP 7 or at least 5.6 .