Removing one person from a Residential Lease

Good afternoon.

3 years ago, I leased a single family home to a lady and her daughter (both of them on the lease). The original contract was for 12 months and they have renewed every year.

I received a text yesterday from her daughter saying she wants to be removed from the lease next month.

Can I just remove her or do I have to make a new lease just with her mom?

Any advise?

Thank you

Enrique