Prime Minister Christopher Luxon has announced a refreshed ministerial lineup, with several key changes across Cabinet.

Chris Penk will join Cabinet, taking on the Defence, GCSB, NZSIS and Space portfolios.

Penny Simmonds also enters Cabinet, assuming responsibility for Tertiary Education, as well as Science, Innovation and Technology.

“The past few weeks have underlined how important energy security is and as such I will be elevating the Energy portfolio to senior minister Simeon Brown,” he said.

Chris Bishop has been appointed Attorney-General, while Paul Goldsmith takes on the Public Service, Digitising Government and Pacific Peoples portfolios.

Louise Upston will become Leader of the House, and Simon Watts has been named Minister for Auckland.

Nicola Grigg has been appointed Minister for the Environment, while Scott Simpson becomes Minister of Statistics and Deputy Leader of the House.

Outside Cabinet, Cameron Brewer will take on the roles of Minister of Commerce and Consumer Affairs, Small Business and Manufacturing, and Associate Minister of Immigration.

Mike Butterick has been appointed Minister for Land Information and Associate Minister of Agriculture.

The changes take effect on Tuesday 7 April.