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# Updating

## Updating Watchtower

If watchtower is monitoring the same Docker daemon under which the watchtower container itself is running (i.e. if you volume-mounted `/var/run/docker.sock` into the watchtower container) then it has the ability to update itself.
If a new version of the `containrrr/watchtower` image is pushed to the Docker Hub, your watchtower will pull down the new image and restart itself automatically.