The annual contribution limits for the 403(b) and 457(b) employee plans will increase in 2020 from $19,000 to $19,500, and to $26,000 for those 50 and over in 2020. If you want to increase the amount as of the first of the year, you need to take action now. Read more about the December deadlines. https://hr.lbl.gov/2019/12/04/new-limit-for-403b-and-457b-for-2020/