The present invention provides a therapeutic agent for bile duct cancer, comprising 5-((2-(4-(1-(2-hydroxyethyl)piperidin-4-yl)benzamide)pyridin-4- yl)oxy)-6-(2-methoxyethoxy)-N-methyl-1H-indole-1-carboxamide or a pharmacologically acceptable salt thereof.La presente invención proporciona un agente terapéutico para el colangiocarcinoma que comprende 5-((2-(4-(1-(2-hidroxietil)piperid in-4-il)benzamido)piridin-4-il)oxi)-6-(2-metoxietoxi)-N-metil-1H- indol-1-carboxamida o una sal farmacológicamente aceptable de esta.