Asterisk upgrade problem

Hi,

We upgraded to FreePBX version 12.0.64 and after that we wanted to upgrade our Astersik to Asterisk 12.xx.

Now the problem is, if we run the upgrade script we can only choose from Astersik 11 and 13 (we are on 11)

What can we do to upgrade on Asterisk 12?

TIA

Why do you want asterisk 12?

Because we thought we would get advantages from it, with our new FreePBX version.

Well Asterisk 12 was a short term release. No one should be telling you to use it. Instead they should be pushing you towards 13.

So you would recommend skipping Asterisk 12 and directly upgrading to 13?

Thank you so far

Yes I would recommend that