I will update the following folder for the updates:
http://bda.retroroms.net/downloads/mame/update/
mirror: https://mega.nz/#F!udUQVCYR!mTqKhM9VDPSFTOKYJyOf3Q
Note: Remember that this update folder does not contain complete sets! "Full MAME 0.194" + "update" -> rebuild -> "Full MAME 0.194rXXX"