diff --git a/zhnumber/zhnumber.dtx b/zhnumber/zhnumber.dtx
index c6abb83f..1bb3bd0f 100644
--- a/zhnumber/zhnumber.dtx
+++ b/zhnumber/zhnumber.dtx
@@ -130,7 +130,7 @@ and some specific Chinese Simplified fonts (TrueType or OpenType).
 \askforoverwritefalse
 \preamble
 
-   Copyright (C) 2012, 2014, 2015 by Qing Lee <sobenlee@gmail.com>
+   Copyright (C) 2012, 2014-2016 by Qing Lee <sobenlee@gmail.com>
 --------------------------------------------------------------------------
    This work may be distributed and/or modified under the
    conditions of the LaTeX Project Public License, either version 1.3
@@ -200,7 +200,7 @@ and some specific Chinese Simplified fonts (TrueType or OpenType).
 %<config&utf8>  {\ExplFileName-utf8.cfg}
 %<config&big5>  {\ExplFileName-big5.cfg}
 %<config&gbk>  {\ExplFileName-gbk.cfg}
-  {\ExplFileDate}{2.2}{\ExplFileDescription}
+  {\ExplFileDate}{2.3}{\ExplFileDescription}
 %</driver|package|config>
 %<*driver>
 \ExplSyntaxOff