diff --git a/aasm.gemspec b/aasm.gemspec
index 80a0ef4..2fd79a3 100644
--- a/aasm.gemspec
+++ b/aasm.gemspec
@@ -2,7 +2,7 @@ PKG_FILES = ["CHANGELOG", "MIT-LICENSE", "Rakefile", "README.rdoc", "TODO", "lib
 
 Gem::Specification.new do |s|
   s.name = 'aasm'
-  s.version = "2.0.3"
+  s.version = "2.0.4"
   s.summary = 'State machine mixin for Ruby objects'
   s.description = <<-EOF
 AASM is a continuation of the acts as state machine rails plugin, built for plain Ruby objects.
diff --git a/lib/aasm.rb b/lib/aasm.rb
index d8bf3b5..6db7b97 100644
--- a/lib/aasm.rb
+++ b/lib/aasm.rb
@@ -5,7 +5,7 @@ require File.join(File.dirname(__FILE__), 'persistence')
 
 module AASM
   def self.Version
-    '2.0.3'
+    '2.0.4'
   end
 
   class InvalidTransition < RuntimeError