An embodiment includes a semiconductor package comprising: a substrate; a first semiconductor chip mounted on the substrate; a second semiconductor chip mounted on a top surface of the first semiconductor chip; a connecting bump disposed between the first and second semiconductor chips to electrically connect the second semiconductor chip to the first semiconductor chip; and a first heat dissipation part disposed on the top surface of the first semiconductor chip between the first and second semiconductor chips and spaced apart from a bottom surface of the second semiconductor chip.