The present invention provides a policy update apparatus which can update a software policy appropriately corresponding to the configuration change in a resource. The policy update apparatus includes policy retrieving means which receives a resource identifier, reads out an install destination resource identifier corresponding to the resource identifier from resource management means which stores with providing a mapping between the resource identifier and the install destination resource identifier which indicates an install destination resource in which the resource identified by the resource identifier is installed, and reads out the software policy corresponding to the resource identifier and the install destination resource identifier, and policy update means which updates the software policy, correlates the updated software policy to the resource identifier and the install destination resource identifier, and stores to policy storage means.