Upgrade / downgrade
If your beacon node is already running, you'll need to restart it for the changes to take effect.
To update to the latest version, either download the binary or compile the beacon node release (see below), then restart the service.
To check which version of Nimbus you're currently running, run
Upgrade to the latest version
Open the Nimbus release page and download the file that corresponds to your operation system and machine.
Once downloaded, unpack the binaries in the same folder as your current version, overwriting the existing files.
Upgrading Nimbus when built from source is similar to the installation process.
If you want to minimize downtime, you can build Nimbus while the node is running!
Complete the upgrade by restarting the node!
Nimbus releases are marked with the following tags:
low-urgency: update at your own convenience, sometime within our normal update cycle of two weeks
medium-urgency: may contain an important stability fix, it is better to update sooner rather than later
high-urgency: update as soon as you can, this is a critical update required for Nimbus to function correctly
Install a specific version
Occasionally, you may need to either upgrade or downgrade to a specific version of Nimbus.
Nimbus can safely be downgraded to any version targeting the current hard fork of the chain, unless otherwise noted among the release notes.
Download the desired version from Github and replace the binaries, similar to upgrading.
Use the package manager to install a specific version:
To pull a specific version of Nimbus (e.g.
When later you want to go back to the stable release:
Now, restart your node.