Federal Liberals Change Leadership Challenge Rules

Two-thirds of federal Liberal MPs will be needed to spill the leadership under the party's new rules designed to end the revolving door of prime ministers

After meeting in Canberra on Monday night, Liberals overwhelmingly resolved to change party rules to ensure a leader who becomes prime minister will serve a full term unless the threshold of MPs for a spill is reached.

The move comes after Malcolm Turnbull was dumped as prime minister in August, with Scott Morrison taking his place.

Morrison said he had reflected deeply on the wishes of the Australian people after the coup which installed him in the top job.

"They're sick of it and we're sick of it and it has to stop. That's why we've put this rule in place," the prime minister told reporters in Canberra on Monday night.

Australian politics has been peppered with leadership changes over the past decade with both major parties dumping prime ministers.

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Kevin Rudd was replaced as Labor prime minister by Julia Gillard in 2010 before he returned to the top job in 2013.

Turnbull seized the keys to The Lodge from Tony Abbott in 2015 before being ousted as prime minister in August.

"We've seen it on both sides of politics. We understand that disappointment, we understand that frustration. We acknowledge it and we take responsibility for it," Morrison said.

Labor changed party rules after Gillard was toppled by Rudd in 2013 to ensure leadership contenders must gain a majority of votes in the caucus and in a grassroots party ballot.