The three Liberals who won the byelections earlier this month that secured a majority government for Prime Minister Mark Carney are taking their seats in the House of Commons Monday.

Doly Begum, Danielle Martin and Tatiana Auguste were sworn in as members of Parliament on Saturday.

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Begum and Martin are newcomers who replaced outgoing cabinet ministers Bill Blair and Chrystia Freeland in Toronto-area seats.

Auguste won the seat in the Bloc Québécois stronghold of Terrebonne in a rematch after the Supreme Court of Canada invalidated the results of last April’s election in the riding.

There are now 174 members on the government benches after five MPs defected to the Liberals over the last six months.

NDP MP Alexandre Boulerice is expected to announce that he’s resigning to run provincially on Monday, dropping that party’s caucus to just five members.