Following Bodin's death in 1101, Vukan took advantage of the dynastic civil wars in Duklja, and forged an alliance with Kočapar, with whom he invaded Duklja in 1102. Kočapar's reign was short-lived, as he fell in battle during a conflict with Zahumlje; Vukan installed another member of the dynasty, Vladimir, to whom he married his daughter. Upon spreading his influence in Duklja, Vukan invaded Byzantium once more in the spring of 1106, taking advantage of the Norman campaign, defeating co-emperor John II Komnenos, but then sent hostages in return for peace in November. There is no written record of Vukan after this war, and he is believed to have died in ca. 1112, succeeded by his cousin Uroš.