Washington (CNN) - One day after he gave up his bid for governor of Pennsylvania, Republican Rep. Jim Gerlach will announce Friday that he's running this year for re-election, a Republican source familiar with the decision tells CNN.
Gerlach announced on his campaign Web site Thursday that he was no longer a candidate for governor.
"I intend to continue to raise my voice, and work hard in the months and years ahead," Gerlach said in a statement on the Web site.
Gerlach has represented Pennsylvania's 6th Congressional district, in the southeast part of the state, for four terms. All four of his election victories have been by narrow margins. Sen. John Kerry won the district by 3 points in the 2004 presidential election and Barack Obama took the district by 17 points in 2008.
Gerlach cited fundraising as the main reason for dropping his bid for governor. Polls over the past few months indicated the congressman trailed Pennsylvania Attorney General Tom Corbett by double digits in the battle for the GOP gubernatorial nomination. State Sen. Sam Rohrer also remains in the contest.
Democratic Gov. Ed Rendell is term limited and prevented from running for re-election. There is a crowded field of Democrats vying to succeed Rendell.
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