diff --git a/mix.exs b/mix.exs
index 314ad52..ab2c350 100644
--- a/mix.exs
+++ b/mix.exs
@@ -3,7 +3,7 @@ defmodule XmlBuilder.Mixfile do
 
   def project do
     [app: :xml_builder,
-     version: "2.1.0",
+     version: "2.1.1",
      elixir: ">= 0.14.0",
      deps: deps(),
      package: [