diff --git a/.travis.yml b/.travis.yml
index fd96e9d..a70dd04 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ otp_release:
 install: mix deps.get
 before_install:
   - mkdir -p vendor/elixir
-  - wget -q https://github.com/elixir-lang/elixir/releases/download/v0.13.3/Precompiled.zip && unzip -qq Precompiled.zip -d vendor/elixir
+  - wget -q https://github.com/elixir-lang/elixir/releases/download/v0.14.0/Precompiled.zip && unzip -qq Precompiled.zip -d vendor/elixir
   - export PATH="$PATH:$PWD/vendor/elixir/bin"
   - export MIX_ENV=test
   - mix local.hex --force
diff --git a/lib/httparrot.ex b/lib/httparrot.ex
index 517c6e3..29d6c07 100644
--- a/lib/httparrot.ex
+++ b/lib/httparrot.ex
@@ -1,5 +1,5 @@
 defmodule HTTParrot do
-  use Application.Behaviour
+  use Application
 
   def start(_type, _args) do
     dispatch = :cowboy_router.compile([
diff --git a/lib/httparrot/supervisor.ex b/lib/httparrot/supervisor.ex
index 8534be2..d9957d9 100644
--- a/lib/httparrot/supervisor.ex
+++ b/lib/httparrot/supervisor.ex
@@ -1,5 +1,5 @@
 defmodule HTTParrot.Supervisor do
-  use Supervisor.Behaviour
+  use Supervisor
 
   def start_link do
     :supervisor.start_link({:local, __MODULE__}, __MODULE__, [])
diff --git a/mix.exs b/mix.exs
index 6609e59..60ea572 100644
--- a/mix.exs
+++ b/mix.exs
@@ -5,7 +5,7 @@ defmodule Httparrot.Mixfile do
     [ app: :httparrot,
       version: "0.1.1",
       name: "HTTParrot",
-      elixir: "~> 0.13.3",
+      elixir: "~> 0.14.0",
       deps: deps ]
   end
 
@@ -20,7 +20,7 @@ defmodule Httparrot.Mixfile do
 
   defp deps do
     [ {:cowboy, github: "extend/cowboy", tag: "0.9.0"},
-      {:jsex, '~> 2.0'},
+      {:jsex, "~> 2.0"},
       {:meck, github: "eproxus/meck", tag: "0.8.2", only: :test } ]
   end
 end