Time to build up your stash of Forever stamps.

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The U.S. Metered letters also will increase by 5 cents to 69 cents if the USPS' request goes through.

Domestic postcards will go up by 3 cents to 56 cents.

Close Up Image of Forever Stamps On Two Cards

Credit:Justin Sullivan / Staff/Getty Images

Services like certified mail and money orders will also become more expensive.

Overall, increases in postage will average almost 8 percent, the USPSindicated in a statement.

Fortunately, the USPS isn’t asking to bump up the price of post office box rentals right now.

“USPS prices remain among the most affordable in the world,” the USPS states.