My Unifi integration has stopped working since UDM Update

Third party integrations
1

Earlier this week my UDM machine was updated to UniFi OS UDM 3.0.20, since then the integration in Home Assistant has stopped working.

I get the following error:

Logger: homeassistant.components.unifi
Source: components/unifi/controller.py:468
Integration: UniFi Network (documentation, issues)
First occurred: 15:42:41 (28 occurrences)
Last logged: 16:10:44

Error connecting to the UniFi Network at unifi: Error requesting data from unifi: Cannot connect to host unifi:443 ssl:False [Name does not resolve]

Can anyone help me resolve this? Ideally I’d like to not uninstall the integration (and its devices) and reinstall it which I suspect will resolve it.