diff --git a/mix.exs b/mix.exs
index 38ccedf..c06fccb 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule PDF417.MixProject do
   use Mix.Project
 
-  @version "0.1.1"
+  @version "0.4.0"
   @source_url "https://github.com/jackpocket/pdf417-elixir"
 
   def project do