Make a move for a WR1?

10 man PPR Single Flex, my team is as follows:

QBs: Caleb, Purdy
RBs: Bijan, Henry, Stevenson, Monangai
WRs: Zay, Tee, LB3, MHJ, Jakobi
TEs: Bowers, Hunter
K: Fairbairn
D/ST: Lions

Should I be comfortable with Zay as my WR1 or try to make some moves?