The Clark County School District is appealing an arbitration ruling giving teachers a pay raise, a move that the teachers union is vowing to fight.

For 80 years, the nation’s basic minimum wage and overtime pay law, the Fair Labor Standards Act, has lifted wages and given most workers a guaranteed floor for earning a living. But the FLSA still has holes and needs some updating to include workers originally excluded because of race, panelists at a daylong seminar on the act said.

Does the rise of today’s gig economy call into question whether an 80-year-old federal wage law is still relevant? Some updates may be warranted, but making significant changes to the Depression-era Fair Labor Standards Act won’t be easy, worker advocates and management-side attorneys told Bloomberg Law.