Get subapp version in umbrellas project

I have an app using Logger to log in it own file like log/0.2.1_debug.log.
But when i move this app under an umbrella project, the version number i get is the umbrella project’s version number (version 0.1.0 instead of 0.2.1).

How can i get the version of a subapp if I launch from the root of the umbrella?

Logger config is:

config :logger,
  level: :debug,
  backends: [:console,
             {LoggerFileBackend, :debug_log},
             {LoggerFileBackend, :error_log}]

config :logger, :console,
  format: "$time $metadata[$level] $message\n",
  metadata: [:request_id]

config :logger, :debug_log,
  format: {Utils.LogFormatter, :format_debug},
  metadata: [:module, :sessionId],
  path: "log/#{Mix.Project.config[:version]}_debug.log",
  level: :debug

config :logger, :error_log,
  format: {Utils.LogFormatter, :format_error},
  metadata: [:module, :sessionId, :function, :line],
  path: "log/#{Mix.Project.config[:version]}_error.log",
  level: :error