On November 17, the 3-day international online workshop between the ASC LPI and the Korean Institute of Astronomy and Space Sciences (KASI) has finished. The participants discussed Russian-Korean cooperation on the Millimetron space observatory project. As a result, the parties came to the conclusion about the need to expand the participation of researchers from South Korea in the scientific program of the mission, as well as in the development of technical solutions for the future space telescope.