Not building on Ubuntu 16.04

[szszszsz]

App is not building on Ubuntu 16.04.
Launchpad log: link
Some feature was used from newer Qt library then it is installed there - 5.6 vs 5.5.1.

src/GUI/Tray.cpp: In member function ‘void Tray::populateOTPPasswordMenu()’:
src/GUI/Tray.cpp:366:13: error: no matching function for call to ‘QMenu::addAction(QString, Tray*, Tray::populateOTPPasswordMenu()::<lambda()>)’
           } );