Fralambert2017
If you look the page 13 of the document, the indian reserve of Lac-Simon anexed a part of Val-d'Or between the 117 and the lake.

I think you can have the new limits here https://mern.gouv.qc.ca/territoire/portrait/portrait-donnees-mille.jsp, but I am not sure of the lisence. 

You can also have the municipal limits here http://www.stat.gouv.qc.ca/cartovista/code_geo_html_fr/index.html