Guzzle client 6.3+ #5

I am using laravel and I tried to install the client but I have a newer version of guzzle client

Error in composer

• Can only install one of: guzzlehttp/guzzle[6.5.0, 4.x-dev].
  • Can only install one of: guzzlehttp/guzzle[4.x-dev, 6.5.0].
  • Can only install one of: guzzlehttp/guzzle[4.x-dev, 6.5.0].
  • traitify/client dev-master requires guzzlehttp/guzzle 4.* -> satisfiable by guzzlehttp/guzzle[4.x-dev].
  • Installation request for traitify/client dev-master -> satisfiable by traitify/client[dev-master].
  • Installation request for guzzlehttp/guzzle (locked at 6.5.0, required as ^6.3) -> satisfiable by guzzlehttp/guzzle[6.5.0].