The filing comes just a day before the end of a comment period on a proposal that the FEC should update its election ad rules. It also follows less than a month after a bipartisan group of senators introduced a bill that would ask online companies to follow the same political ad rules as conventional media.

There's no guarantee that the comments will influence the FEC's position. However, it illustrates the sense of urgency among those worried Russia will try to skew future elections. The 2018 midterms are less than a year away -- if there's going to be any kind of impact, lawmakers can't afford to wait.