diff --git a/mix.exs b/mix.exs
index 6e1c4ba..d41f56b 100644
--- a/mix.exs
+++ b/mix.exs
@@ -26,7 +26,7 @@ defmodule SipHash.Mixfile do
         },
         maintainers: [ "Isaac Whitfield" ]
       },
-      version: "2.1.0",
+      version: "2.1.1",
       elixir: "~> 1.1",
       aliases: [
         clean: [ "clean", "clean.make" ]