diff --git a/README.md b/README.md
index b505bff..a33a193 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ Add `:sourceror` as a dependency to your project's `mix.exs`:
 ```elixir
 defp deps do
   [
-    {:sourceror, "~> 0.3.0"}
+    {:sourceror, "~> 0.4.0"}
   ]
 end
 ```
diff --git a/mix.exs b/mix.exs
index 5b9b336..f9237b7 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule Sourceror.MixProject do
   use Mix.Project
 
-  @version "0.3.0"
+  @version "0.4.0"
   @repo_url "https://github.com/doorgan/sourceror"
 
   def project do