diff --git a/mix.exs b/mix.exs
index 08afcaa..2da5169 100644
--- a/mix.exs
+++ b/mix.exs
@@ -3,7 +3,7 @@ defmodule FFI.Mixfile do
 
   def project do
     [app: :ffi,
-     version: "0.0.1",
+     version: "0.0.1-alpha",
      elixir: "~> 1.2",
      compilers: [:elixir_make] ++ Mix.compilers,
      deps: deps]