wavelab elements 9

I have a wavelab elements 9 and there is a special offer for an upgrade to a full version 9,5 of wavelab.Do I need an elements 9.5 as well or can I use the 9 version? Does somebody know this?

You can upgrade from any version of Wavelab Elements to Wavelab Pro 9.5. Here’s the shop link if you need it:

Thank you very much,I’m going to upgrade my wavelab. Kind regards Marc Stam