The current subject matter provides a method to upgrade an individual tenant by moving the individual tenant from a source computing system that implements an older software version to a target computing system that implements a newer software version. The movement of the individual tenant incorporates a movement of customer-specific data associated with the moved tenant. Instead of just upgrading a same multi-tenancy computing system implementing the tenant that needs to be upgraded, a new (target) multi-tenancy computing system implementing a newer software version is installed such that this tenant can be moved from the (source) multi-tenancy computing system to the new (target) multi-tenancy computing system. The data associated with the moved tenant is adjusted to new structures associated with the newer software version.