Yes. Since you stated he meets the the requirements below.
- Lived with you all year.
- Cannot be the qualifying
child of anyone else.
-
Gross income for the year
must be less than
$4,050.
- You must have provided more
than half of his total support during the calendar year.
https://turbotax.intuit.com/tax-tools/tax-tips/Family/Rules-for-Claiming-a-Dependent-on-Your-Tax-Ret...
