Ssh into the tenant project cluster following the instructions in the article on How to get thread dump or logs. (The steps depend on whether you have a public or private instance).
Run in the command line to see all deployments and find the deployment that ends with "ui-agent."
kubectl get deployments
3. Using the deployment found in step 3, update the ui-agent image to the appropriate version:
kubectl set image deployment/<deployment_name> agent= us.gcr.io/cloud-data-fusion-images/cloud-data-fusion-inverting-proxy:<UI-Agent-version>
The full list of agent versions can be found in the cloud build repo.