The invention relates to 1H-[1,2,3]triazolo[4,5-c]pyridine-4-carbonitrile derived Cathepsin S inhibitors of Formula (I), wherein R1 is H or (C1-3)alkyl; R2 is halogen or (C1-4)alkyl, optionally substituted with one or more halogens; n is 1-3; X is O or CH2; U, V and W are CH; or one of U, V and W is N; Y is a group capable of interacting with the Sn . . . S2 substites of the active site of Cathepsin S; or a pharmaceutically acceptable salt thereof, to pharmaceutical compositions comprising the same as well as to the use of these derivatives for the preparation of a medicament for the treatment of cathepsin S related diseases such as atherosclerosis, obesity, inflammation and immune disorders, such as rheumatoid arthritis, psoriasis, cancer, and chronic pain, such as neuropathic pain.