Embodiments of the present application relate to a method for updating a client, a device for updating a client, and a computer program product for updating a client. The method includes determining whether the client is to be updated, in the event that the client is to be updated, determining update packages for the client, determining a user's preferred functions from among functions offered by the client based on saved record of operations of the user corresponding to the client, determining update packages, from among the determined update packages, on which the user's preferred functions depend to serve as preferred packages, and releasing the preferred packages to the client to be updated.