In the following rearrangement, the roles of Greg Hunt and Arthur Sinodinos were changed, while Ken Wyatt became the first Indigenous Australian to serve as a federal minister.

[1] On 25 July 2017, Matt Canavan resigned from Cabinet over doubts as to his eligibility to be a member of the parliament, after discovering that he was considered by the Italian authorities to be a citizen of Italy.

On 27 October 2017, Joyce and Fiona Nash were disqualified from parliament by the High Court, also due to holding dual citizenship, while Canavan was ruled eligible.

The third arrangement of the second Turnbull ministry was sworn in by the Governor-General, Sir Peter Cosgrove, on 27 October 2017 following the High Court ruling that Barnaby Joyce and Fiona Nash were invalidly elected due to holding dual citizenship.

The fourth arrangement of the second Turnbull ministry was sworn in by the Governor-General, Sir Peter Cosgrove, on 20 December 2017 following a period of ministerial resignations due to the 2017 Australian parliamentary eligibility crisis including the appointment of Scott Ryan as the President of the Senate, the retirement of George Brandis to take up Australian High Commissioner to the United Kingdom, the recovery of Arthur Sinodinos from cancer, the changes to administrative arrangements with the creation of the Department of Home Affairs.

[11] Following Deputy Prime Minister Barnaby Joyce's resignation from cabinet, the fifth arrangement of the second Turnbull ministry was sworn in on 26 February 2018 by the Governor of Victoria, Linda Dessau, in her capacity as Administrator of the Commonwealth while Governor-General Sir Peter Cosgrove was overseas.