diff --git a/mix.exs b/mix.exs
index 3246f3d..874598a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -2,9 +2,10 @@ defmodule ExW3.MixProject do
   use Mix.Project
 
   def project do
-    [app: :exw3,
+    [
+     app: :exw3,
      version: "0.1.6",
-     elixir: "~> 1.6.4",
+     elixir: "~> 1.7.2",
      build_embedded: Mix.env == :prod,
      start_permanent: Mix.env == :prod,
      deps: deps(),