1 files changed, 2 insertions, 1 deletions

diff --git a/mix.exs b/mix.exs
index 46c88c1..a63f56d 100644
--- a/mix.exs
+++ b/mix.exs
@@ -25,7 +25,8 @@ defmodule Recaptcha.Mixfile do
     [
       {:httpoison, "~> 0.9.0"},
       {:poison, "~> 2.0"},
-      {:credo, "~> 0.4", only: [:dev, :test]}
+      {:credo, "~> 0.4", only: [:dev, :test]},
+      {:ex_doc, ">= 0.0.0", only: :dev}
     ]
   end