diff --git a/lib/shippo/api.rb b/lib/shippo/api.rb
index 477813e..350b6b1 100644
--- a/lib/shippo/api.rb
+++ b/lib/shippo/api.rb
@@ -12,7 +12,7 @@
 module Shippo
   module API
     @base         = 'https://api.goshippo.com'
-    @version      = ''
+    @version      = '2018-02-08'
     @token        = ''
     @debug        = Integer(ENV['SHIPPO_DEBUG'] || 0) > 0 ? true : false
     @warnings     = true