New Zealand Prime Minister Jacinda Ardern announced she will step down in a shock resignation less than 10 months out from a general election.

Ardern doesn’t have the energy or inspiration to seek re-election later this year, she told reporters Thursday in Napier where her Labour Party is holding a caucus meeting. She named the election date as Oct. 14.

“I have given my absolute all to being Prime Minister but it has also taken a lot out of me,” she said. “You cannot and should not do the job unless you have a full tank, plus a bit in reserve for those unplanned and unexpected challenges that inevitably come along. Having reflected over summer I know I no longer have that bit extra in the tank to do the job justice. It’s that simple.”

Ardern was expected to seek a third term at this year’s general election, although she faced an uphill battle as memories fade of her strong leadership during the ea