diff --git a/mix.exs b/mix.exs
index 9a8b585..7392c0b 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,30 +1,31 @@
 defmodule ExIrc.Mixfile do
   use Mix.Project
 
   def project do
     [ app: :exirc,
       version: "0.10.0",
       elixir: "~> 1.0",
       description: "An IRC client library for Elixir.",
       package: package,
       deps: deps ]
   end
 
   # Configuration for the OTP application
   def application do
     [mod: {ExIrc.App, []}]
   end
 
   defp package do
     [ files: ["lib", "mix.exs", "README.md", "LICENSE"],
       maintainers: ["Paul Schoenfelder"],
       licenses: ["MIT"],
       links: %{ "GitHub" => "https://github.com/bitwalker/exirc",
                 "Home Page" => "http://bitwalker.org/exirc"} ]
   end
 
   defp deps do
-    [{:ex_doc, "~> 0.5", only: :dev}]
+    [{:ex_doc, "~> 0.5", only: :dev},
+     {:earmark, ">= 0.0.0", only: :dev}]
   end
 
 end
diff --git a/mix.lock b/mix.lock
index 8d49d10..b7b9e25 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1 +1,2 @@
-%{"ex_doc": {:hex, :ex_doc, "0.11.4"}}
+%{"earmark": {:hex, :earmark, "0.2.1"},
+  "ex_doc": {:hex, :ex_doc, "0.11.4"}}