According to the official website of the airshow:
The next « Fêtes de l’Air » is plane for the 10st of September 2017; it will celebrate the commemoration of Vimy Canadian victories and 70 coast of Loos-en-Gohelle, in April and August 1917. We would like to welcome our canadian friends.
A few days ago it was officially announced that two CF-18 will arrive for the event