On 2 June 2013, Błaszczykowski signed a new contract with Borussia Dortmund, keeping him at the club until 2018. On 27 July 2013, Błaszczykowski won the 2013 DFL-Supercup with Dortmund 4–2 against rivals Bayern Munich. On 26 October 2013, Błaszczykowski scored a goal for Dortmund in the Revierderby against rivals Schalke in a 3–1 win for Dortmund.