The Wall Street Journal's glossy lifestyle title WSJ. will be published nine times next year, up from six times a year at present.
Its frequency will be further boosted to ten times a year in 2012, it was announced on Tuesday.
The magazine launched as a quarterly in September 2008 and changed to the present frequency in March this year.
WSJ is being overseen by newly hired editor-in-chief Deborah Needleman, who was formerly editor of Domino magazine. Needleman also oversees the newspaper's recently launched Off Duty lifestyle section.
The launch and expansion of the glossy is understood to be part of Rupert Murdoch's strategy to use the Wall Street Journal, which originally specialised in financial news, to compete with general-interest newspapers, especially The New York Times.
Murdoch's News Corp bought the Journal in 2007 from the Bancroft family for $5.6bn.
Claiming a global circulation of over 1.6 million, WSJ. is distributed along with WSJ's Weekend newspaper in the US, and with The Wall Street Journal Europe and The Wall Street Journal Asia.