upgrade 9.0 EDU > 9.5 ?

What are options are available for owners of 9.0 EDU to upgrade to 9.5x? I understand the EDU is not upgradable, but is the only recourse to purchase a completely new full version license? Thank you.

Of course EDU is upgradable, just like a regular version. Just an update to 9.5 is no longer posssible.