I would keep what you have, but be open to it for your next bike.

Realize you would need a new CRANKSET, you can't just get a compact chainring...it won't fit on your standard crank.

I would also look at a gear calculator (there are tons online) just to get a sense of what options are out there before you make a choice.

FWIW I am 47 and run 39-53 and 12-23 with no problems...but you should pick the gearing that's best for YOU and your style and your terrain.