The Federal Reserve on Wednesday lifted its benchmark rate by a quarter of a percentage point, the second hike this year.

And a majority of policy makers said they now expect a total of four interest rate increases this year. Fed officials had been split about whether to raise rates three times this year or four.

The decision reflected an economy that’s getting even stronger. Unemployment is 3.8%, the lowest since 2000, and inflation is creeping higher. The Fed is raising rates gradually to keep the economy from overheating.

“The main takeaway is that the economy is doing very well,” Fed Chairman Jerome Powell said at a news conference. “Most people who want to find jobs are finding them, and unemployment and inflation are low.”