St Mirren will face Morton, Queen of the South, Partick Thistle and Queen's Park in Group G of the 2020/21 Betfred Cup group stage.
Saints were top seeds in the South Section of this afternoon's draw.
Fixtures dates and venues will be confirmed in due course.
Group stage games are scheduled for October 6, 10 & 13, and November 10 & 14, subject to live TV selections.
