while I was working on my rancher cluster I noticed these filesystem items in my backup .

var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/.helmignore
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/Chart.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/README.md
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/app-readme.md
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/questions.yml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/NOTES.txt
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/_helpers.tpl
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/clusterrole.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/clusterrolebinding.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/cm-openebs-prometheus-config.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/cm-openebs-prometheus-tunables.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/crd-sp.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/crd-spc.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/deployment-maya-apiserver.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/deployment-maya-provisioner.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/deployment-maya-snapshot-operator.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/deployment-openebs-grafana.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/deployment-openebs-prometheus.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/sc-openebs-cassandra.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/sc-openebs-es-data-sc.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/sc-openebs-jupyter.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/sc-openebs-kafka.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/sc-openebs-mongodb.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/sc-openebs-percona.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/sc-openebs-redis.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/sc-openebs-standalone.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/sc-openebs-standard.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/sc-openebs-zk.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/sc-snapshot-promoter.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/service-maya-apiserver.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/service-openebs-grafana.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/service-openebs-prometheus.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/templates/serviceaccount.yaml
var/lib/rancher/management-state/catalog-controller/cache/hash/proposed/openebs/v0.6/values.yaml

Looks like OpenEBS is not got updated in Rancher catalog. I can see latest OpenEBS version is 0.7.2 when I have seen on last of November 2018. How can i get the latest OpenEBS version in the Rancher catalog?