Program management device, program management method, and recording medium

The invention provides a program management device, a program management method, and a recording medium, which can reduce restrictions on the timing of updating a program of a vehicle. A program management device is provided with: a communication unit that communicates with an external device present outside a vehicle; a first storage unit having a non-participating program storage area in which a non-participating program that does not participate in vehicle control is stored; a second storage unit provided separately from the first storage unit; and an update processing unit that stores, in the second storage unit, a non-participating update program used for updating the non-participating program received by the communication unit, the update processing unit executes a process of storing the non-participating program stored in the non-participating program storage area in the second storage unit, and after that, performs a process of updating the non-participating program in the non-participating program st