diff --git a/yubico_client/yubico.py b/yubico_client/yubico.py
index <HASH>..<HASH> 100644
--- a/yubico_client/yubico.py
+++ b/yubico_client/yubico.py
@@ -6,12 +6,9 @@
 # Author: Tomaz Muraus (http://www.tomaz.me)
 # License: BSD
 #
-# Copyright (c) 2010, Tomaž Muraus
+# Copyright (c) 2010-2013, Tomaž Muraus
 # Copyright (c) 2012, Yubico AB
 # All rights reserved.
-#
-# Requirements:
-# - Python >= 2.5
 
 import re
 import os
Update copyright date in the yubico module, remove requirements from the
docstring.