In order to upgrade Acorn on a Kubernetes cluster you must first download an updated Acorn CLI version.
brew upgrade acorn-io/cli/acorn
Download latest binary version and install following the binary install method.
Upgrading Acorn on a Kubernetes cluster
Once a new version of Acorn is being used the Acorn version on a Kubernetes cluster will also need to be updated. You can run the following command to do the upgrade:
This will download the newest versions of the Acorn components for the cluster.