"For 2021, the American Rescue Plan Act of 2021, enacted March 11, 2021, made the credit substantially more generous (up to $4,000 for one qualifying person and $8,000 for two or more qualifying persons) and potentially refundable, so you might not have to owe taxes to claim the credit (so long as you meet the other requirements)."

https://www.irs.gov/newsroom/child-and-dependent-care-credit-faqs

The rest depends on Congress.