Stamp prices going up again -- 46-cent rate asked

Aren't prices suppose to fall under the threat of deflation?

Buy those Forever stamps now. The cost of mailing a letter is going up again.

Fighting to survive a deepening financial crisis, the Postal Service said Tuesday it wants to increase the price of first-class stamps by 2 cents -- to 46 cents -- starting in January. Other postage costs would rise as well.

Source: finance.yahoo.com