Ubuntu 14.04 LTS HWE EOL-> Kernel upgrade?

Hi

Running Ubuntu 14.04.5 and Plesk 12.5.30 MU44.

Today I had this MOTD:

"New release '16.04.1 LTS' available.
Run 'do-release-upgrade' to upgrade to it.

WARNING: Security updates for your current Hardware Enablement
Stack ended on 2016-08-04:
* http://wiki.ubuntu.com/1404_HWE_EOL

To upgrade to a supported (or longer-supported) configuration:

* Upgrade from Ubuntu 14.04 LTS to Ubuntu 16.04 LTS by running:
sudo do-release-upgrade

OR

* Switch to the current...

Ubuntu 14.04 LTS HWE EOL-> Kernel upgrade?