Match armor to player level (The Witcher 3: Wild Hunt)

People, who knows how you can increase the level of Grandmaster armor?

http://www.nexusmods.com/witcher3/mods/1624/?
Mods like this are not suitable, every time on a new patch, wait for an update. I tried to put it, go into the game, save, exit, delete the mod - but the level was reset