Firmware Update of My book essential?

Is there any point to update the firmware on my My book essential model wdbacw0040hbk-eesn ?

I purchase this Product in July 2013 - its a 4 TB external harddisk

The newest WD Universal Firmware Updater for Windows
Release Date: 9/24/2014

A firmware update improves the drive’s overall stability and improves compatibility with newer operating systems. However, if your unit is working fine then it is not needed.