On June 29, 2013, Allen picked up his $3.23 million player option to stay with the Heat through the 2013–14 NBA season. During the regular season, Allen played in 73 games, starting 9 of them, averaging 9.6 points and shooting 37 percent from three-point range. In the playoffs, Allen scored 19 points on 4–7 three-point shooting in game 4 of the conference semifinals against the Brooklyn Nets. Then in Game 3 against the Indiana Pacers in an Eastern Conference Finals rematch, Allen hit four 3-point shots in the fourth quarter and put them up 2–1 in the series. The Heat won the series in six games to advance to the NBA Finals for the fourth straight year and Allen's second. The Heat faced the Spurs again in the 2014 NBA Finals, but they lost the series in five games.