GoogleChrome Repository verification failed

Yesterday evening, I received software-update-notification

“Signature verification for Repository google-chrome failed”

I updated, then, system over Terminal. This evening, I got same message again. How can I solve this? What is the way this problem with verification to be solved?

Thank you for answering my questions.

Such problems are usually solved within a few hours/days. Mostly it is because a mirror was not synchronized cleanly. This also happens from time to time with other repos.
I can currently confirm the problem with the Google repo.