diff --git a/.ebert.yml b/.ebert.yml
index a3a42b1..9d6662c 100644
--- a/.ebert.yml
+++ b/.ebert.yml
@@ -7,6 +7,6 @@ engines:
   remark-lint:
     enabled: true
 exclude_paths:
-- config
-- test
-- lib
+  - config
+  - test
+  - lib
diff --git a/LICENSE b/LICENSE
index 090a100..c335245 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017 Po Chen
+Copyright (c) 2018 Po Chen
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/mix.exs b/mix.exs
index c61b84e..c867791 100644
--- a/mix.exs
+++ b/mix.exs
@@ -3,7 +3,7 @@ defmodule Qex.Mixfile do
 
   def project do
     [app: :qex,
-     version: "0.3.4",
+     version: "0.4.0",
      elixir: "~> 1.4",
      build_embedded: Mix.env == :prod,
      start_permanent: Mix.env == :prod,