README.md in ziptz-1.0.20 vs README.md in ziptz-1.0.21

@@ -4,11 +4,11 @@
 [![Dependency Status](http://img.shields.io/gemnasium/infused/ziptz.svg?style=flat)](https://gemnasium.com/infused/ziptz)
 [![Total Downloads](https://img.shields.io/gem/dt/ziptz.svg)](https://rubygems.org/gems/ziptz/)
 
 Get the time zone for any US ZIP code.
 
-<i>ZIP codes are up to date as of <b>December 2016</b>.</i>
+<i>ZIP codes are up to date as of <b>January 2017</b>.</i>
 
 ## Installation
 
 Add the gem to your Gemfile:
 
@@ -51,10 +51,10 @@
 
 <em>Note that APO/FPO zip codes will not return a known time zone offset.</em>
 
 ## License
 
-  Copyright (c) 2015-2016 Keith Morrison <<[e-mail]>>
+  Copyright (c) 2015-2017 Keith Morrison <<[e-mail]>>
 
   Permission is hereby granted, free of charge, to any person
   obtaining a copy of this software and associated documentation
   files (the "Software"), to deal in the Software without
   restriction, including without limitation the rights to use,