Starting Sunday, the price of postage increases by a cent.
First class stamps will now cost you 46 cents, while postcards prices go up to 33 cents.
Sending mail out of the country will cost you even more change.
International mailing will cost $1.10, up from 85 cents to Canada and Mexico and $1.05 to other international destinations.
The hike in postage prices come as the U.S. Postal Service continues to struggle financially.