In May 2017, the IRS issued Rev. Proc. 2017-37 announcing the inflation-adjusted health savings account contribution limits for 2018 as $3,450 for self-only coverage and $6,900 for family coverage. However, this week the IRS issued Rev. Proc. 2018-18, which supersedes Rev. Proc. 2017-37 and reflects a decrease in the 2018 annual contribution limit for family coverage to $6,850. Employers that provide a high deductible health plan option to their employees with a health savings account feature should ensure that their communications and systems are updated accordingly.