Compendium Sharing

So, I run... a lot of games, and have purchased most of the books for my players, but at the moment I'm hitting a small issue where... I'm running more games than I have compendium sharing space. I know I could just lump various players into one game, but that... seems annoying, and I do like for all of them to have access to the material for the charactermancer specifically.  Is there any option to expand your compendium sharing list with a higher tier subscription or anything that is planned? Or is there another workaround for this that is less obvious? 

The only thing that springs to mind is to rotate compendium sharing, so that you are always certain to have it active in a game you currently have open. Maybe work up a schedule? Pain in the neck, for sure, but I think the sharing slots are more contingent on the licensing agreement(s) rather than fully under Roll20 control. 

Yeah... I guess I could do that, just a bit of a pain, I'm running six games with only five slots hah. Thanks for the answer, wish there was a work around though.