Miller replaces Edinburgh's Hamish Watson, the 32-year-old British & Irish Lion having failed to add to his 59 caps during this season's competition, and could be in line for his first cap at the age of 27.
Warriors prop Jamie Bhatti and and Edinburgh second-rower Glen Young also drop out having not featured in Saturday's defeat by Italy.
Meanwhile, 21-year-old Glasgow second-rowers Alex Samuel and Max Williamson have also joined Scotland's senior squad training.