GOG's latest available version is v2.065, released on August 11th 2016 !!! ---> http://steamcommunity.com/games/413710/announcements/detail/798647165359685729

There have been multples patches since that. The lattest one made available just yesterday, but no sight of them here in GOG.

Crap.

https://gogdb.yepoleb.me/product/1448275717#downloads

http://store.steampowered.com/news/?appids=413710