There are discussions. I've been involved in discussions with U.S. officials as well as our officials at both IRCC and CBSA. I know that it has been raised at a number of different levels of discussion, and I think there is an acknowledgement or recognition that it's an agreement that can be modernized and improved to the benefit of both countries, and those discussions are ongoing.
On June 3rd, 2019. See this statement in context.