In December 2011, Davankova/Deputat competed on the senior level at the 2012 Russian Championships. They were seventh in the short program but finished fifth overall, receiving the highest TES in the free skate ahead of the gold medalists Vera Bazarova / Yuri Larionov. In February 2012, they won the gold medal at the 2012 Russian Junior Championships after placing first in both the short and free segments. Deputat was released by Ukraine to represent Russia. Davankova/Deputat won the bronze medal in their international debut at the 2012 World Junior Championships.