A system, method and computer program product are disclosed for dynamically updating a computer application. According to the method, a subscription request is sent to a publish/subscribe server so as to receive updates to the computer application. An update notification or an update is received from the publish/subscribe server, and the update is dynamically applied to the computer application during execution without restarting the computer application. In one embodiment, the update notification is received from the publish/subscribe server, a request for the update is sent to a second server, and the update is received from the second server. Also provided are a system, method and computer program product for sending updates to a computer application.