if there were federal tax withholdings, then YES, as it is the only way to get the money back
if you had a child in 2020, it's the only way to get the $1100 stimulus money for that child.
and then the rest depends on your income, but I suspect one of the first two above occurred
https://turbotax.intuit.com/tax-tips/irs-tax-return/does-everyone-need-to-file-an-income-tax-return/...
