Krišanov received the 157th position on the Progressive Party's Aleksandar Vučić — For Our Children electoral list in the 2020 Serbian parliamentary election and was elected to the national assembly when the list won a landslide majority with 188 out of 250 mandates.[4] She is now a member of the environmental protection committee and the committee on labour, social issues, social inclusion, and poverty reduction; a deputy member of the health and family committee and the committee on the judiciary, public administration, and local self-government; the leader of Serbia's parliamentary friendship group with Latvia; and a member of the parliamentary friendship groups with China, Greece, Israel, Japan, Russia, Spain, and Turkey.[5]