xlna-uefi-desktop-tools not installable under Ubuntu 18.04 Bionic

$ sudo apt install xlna-uefi-tools-desktop Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation:

The following packages have unmet dependencies: xlna-uefi-tools-desktop : Depends: gksu but it is not installable E: Unable to correct problems, you have held broken packages.

GKSU is no longer available under 18.04, please find another package that does the same :D

Steps to reproduce: Try installing xlna-uefi-tools-desktop under 18.04