To update a cluster Kubernetes version

This example command updates a cluster named example from Kubernetes 1.12 to 1.13.

Command:

aws eks update-cluster-version --name example --kubernetes-version 1.13

Output:

{
    "update": {
        "id": "161a74d1-7e8c-4224-825d-b32af149f23a",
        "status": "InProgress",
        "type": "VersionUpdate",
        "params": [
            {
                "type": "Version",
                "value": "1.13"
            },
            {
                "type": "PlatformVersion",
                "value": "eks.2"
            }
        ],
        "createdAt": 1565807633.514,
        "errors": []
    }
}