Please help in pre-tax deduction.

In this year, I put more than enough money (about $2,000) in my Flexible Spending Account, which is a pre-tax deduction money used for my dependent care.

This money was already deducted from my monthly payroll and only can be reimbursed for the spending in care for my child, such as daycare, bay sitter, etc. If I did not spend the money, I will lose the money.

Does anyone know a way to avoid losing this money? Thanks a lot in advance!