1 files changed, 2 insertions, 1 deletions
diff --git a/mix.exs b/mix.exs
index 2772d56..6348d98 100644
--- a/mix.exs
+++ b/mix.exs
@@ -19,7 +19,8 @@ defmodule ExPrometheusIo.Mixfile do
   end
 
   defp deps do
-    [{:poison, "~> 2.2 or ~> 1.5"}]
+    [{:poison, "~> 2.2 or ~> 1.5"},
+     {:ex_doc, "~> 0.13.0", only: :dev}]
   end
 
   defp elixirc_paths(:test), do: ["lib", "test/support"]