Battle.Net claiming an update is available, but cannot update under Lutris?

Currently running Battle.Net version 2.21.2.14215 with Battle.Net update agent version 2.30.7.8279, and Battle.Net keeps claiming an update is available, however when I select 'Update now' Battle.Net just closes. If I stop Battle.Net from within Lutris and reopen it, after a while Battle.Net notifies me that there's still an update available. I even tried selecting 'Install another version' under Lutris, which downloaded and installed a new Battle.Net instance, and I still have Battle.Net telling me there's an update available.

Anyone else encounter this? Does anyone know of a fix?