A management device may be connected with a specific device via a network, and cause the specific device to update a plurality of programs. The management device may transmit a first program of the plurality of programs by using an IP address as a transmission destination. The management device may confirm whether the IP address of the specific device has changed since transmitting the first program by utilizing identification information for identifying the specific device. The management device may transmit a second program of the plurality of programs to the specific device by using the IP address when confirming that the IP address has not changed, or by using a changed IP address when confirming that the IP address has changed.