migration.md

 # OpenCell migration or version upgrade process
 
+We have a playbook to upgrade the OpenCell instance: https://gitlab.com/coopdevs/opencell-provisioning/-/blob/master/playbooks/upgrade.yml
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 To update the version of your OC instance we do the next process:
 
 1. Look in the Release Notes the OC team instructions. Ex. https://opencell.assembla.com/spaces/meveo-enterprise/wiki/Opencell_7_Release_note