State Rep. Andrea Kieffer, a Republican from Woodbury, has announced that she won’t seek re-election next year.

She was one of five GOP lawmakers who broke with their party last session to vote in favor of legalizing gay marriage. The measure had enough votes in the DFL-dominated Legislature to pass even without the the Republican support.

Kieffer was first elected in 2010 and won re-election in 2012.

In a statement she said: “It has been an honor to serve for the last four years, but this was never intended to be a career for me.”