It's likely Michael McGrath will take over as Finance Minister, when Leo Varadkar becomes Taoiseach later this year.
Fine Gael had hoped to keep Pascal Donohoe with the finance portfolio, so that he could stay on as president of the Eurogroup.
However, Taoiseach Micheál Martin says he's sticking to a coalition agreement, which laid out the terms of the change of power when the government was being formed.