Merge pull request #151 from mat-hek/patch-1

mix.exs

@@ -39,7 +39,7 @@ defmodule Burrito.MixProject do
 
   defp deps do
     [
-      {:req, "0.4.0"},
+      {:req, ">= 0.4.0"},
       {:typed_struct, "~> 0.2.0 or ~> 0.3.0", runtime: false},
       {:jason, "~> 1.2"},
       {:ex_doc, ">= 0.0.0", only: :dev}