UPG PPM 5.0 to PPM 6.1

Hello

I need to upgrade to a PPM 5.0 to PPM 6.1 on abap system NW.7.0 EHP2.

This system is connected to the SRM 7.0 EHP2 backend and Enterprise Portal 730.

If you do the upgrade of the PPM i must also provide for the upgrade on the SRM o EP?

Thank you

Hello

Sandro