diff --git a/mix.exs b/mix.exs
index 4b3ca06..89fd32e 100644
--- a/mix.exs
+++ b/mix.exs
@@ -3,13 +3,13 @@ defmodule Sentient.Mixfile do
 
   def project do
     [app: :sentient,
-     version: "0.0.2",
-     elixir: "~> 1.1",
+     version: "0.0.4",
+     elixir: "~> 1.4",
      description: "Simple sentiment analysis based on the AFINN-111 wordlist",
-     package: package,
+     package: package(),
      build_embedded: Mix.env == :prod,
      start_permanent: Mix.env == :prod,
-     deps: deps]
+     deps: deps()]
   end
 
   def application do
@@ -17,7 +17,7 @@ defmodule Sentient.Mixfile do
   end
 
   defp deps do
-    [{:poison, "~> 1.5"}]
+    [{:poison, ">= 2.2.0"}]
   end
 
   defp package do
diff --git a/mix.lock b/mix.lock
index fae0ede..abc459d 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1 +1 @@
-%{"poison": {:hex, :poison, "1.5.0"}}
+%{"poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [:mix], []}}