In the federal election on September 22, 2013, Beyer was re-elected as a Member of the Bundestag, winning his district with a 45.6% relative majority. Currently, he is a member of the Bundestag's Committee on Foreign Affairs, where he serves as his parliamentary group's rapporteur on transatlantical and the relations with Kosovo, Montenegro and Serbia. He is also a member of its Sub-Committee on the United Nations.