Rumours have circulated for weeks about an undisclosed number of Liberal MPs who have signed on to the effort to oust the prime minister in the hopes of improving the party's chances in the next election.

While members of the cabinet have defended Trudeau staying on as leader, a number of Liberal MPs have signed onto a letter that aims to convince him to step aside before the next election.

The federal government is expected to boost the minimum hourly wage that must be paid to temporary foreign workers in the high-wage stream as a way to encourage employers to hire more Canadian staff.