# Upgrade Aerospike Kubernetes Operator

## Upgrade from AKO 4.0.x and later

If you are running an AKO version 4.0.x or later, you can upgrade directly to 4.1.x.

## Older versions

If you are running an AKO version older than 4.0.0, you must first upgrade to 4.0.2 before upgrading to 4.1.x:

-   [Upgrade to 4.0.2](https://aerospike.com/docs/kubernetes/4.0.x/manage/upgrade/upgrading-operator)

## Upgrade methods

Choose the upgrade method based on your AKO installation.

-   [OLM on OperatorHub.io](https://aerospike.com/docs/kubernetes/4.1.x/manage/upgrade/olm)
-   [Helm](https://aerospike.com/docs/kubernetes/4.1.x/manage/upgrade/helm)