diff --git a/wolfram.el b/wolfram.el
index c44fc80..b641cab 100644
--- a/wolfram.el
+++ b/wolfram.el
@@ -1,6 +1,6 @@
 ;;; wolfram.el --- Wolfram Alpha Integration
 
-;; Copyright (C) 2011-2017  Hans Sjunnesson
+;; Copyright (C) 2011-2019  Hans Sjunnesson
 
 ;; Author: Hans Sjunnesson <hans.sjunnesson@gmail.com>
 ;; Keywords: math