Login failures after upgrade from 8.9.1 to 9.0.0 community edition

Hi,

We have recently upgraded sonarqube instance from 8.9.1 to 9.0.0 using official docker image.
Everything worked as expected, database migration had no errors, service is up, however login stopped working and gives Authorisation failed error.
Crowd plugin has the latest version.
Please suggest a fix or a workaround.
Thanks!