diff --git a/mix.exs b/mix.exs
index 490c6fa..bbd5c2b 100644
--- a/mix.exs
+++ b/mix.exs
@@ -16,7 +16,7 @@ defmodule Pinglix.Mixfile do
   #
   # Type `mix help compile.app` for more information
   def application do
-    [extra_applications: [:logger]]
+    [extra_applications: [:logger, :timex]]
   end
 
   defp description do