Yes.

"For example, the IRS can adjust returns for taxpayers who claimed the earned income tax credit and, because the exclusion changed their income level, may now be eligible for an increase in the EITC amount.

However, taxpayers would have to file an amended return if they did not originally claim the EITC or other credits but are now eligible to claim them following the change in the tax law."

https://www.irs.gov/newsroom/irs-will-recalculate-taxes-on-2020-unemployment-benefits-and-start-issu...