As long as Google keeps supporting the Chromecast generation you're using, your device should continue receiving updates automatically. One of the easiest ways to ensure your Chromecast is up to ...

Ordinarily speaking, you can easily update Chromecast firmware using one of a few methods — and that may be possible again in the future if Google restores functionality to these devices.

The October 2024 update for the 4K and HD Chromecast with Google TV brings the dongles up to speed in terms of security software.