diff --git a/README.md b/README.md
index 3d3fee4..52e6409 100644
--- a/README.md
+++ b/README.md
@@ -264,7 +264,7 @@ LICENSE
 
 (MIT License)
 
-Copyright (c) 2013 [Richardson & Sons, LLC](http://richardsonandsons.com/)
+Copyright (c) 2013-2015 [Richardson & Sons, LLC](http://richardsonandsons.com/)
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the