diff --git a/yatex.el b/yatex.el
index b0b2ab8..5fb6f56 100644
--- a/yatex.el
+++ b/yatex.el
@@ -1,6 +1,6 @@
 ;;; yatex.el --- Yet Another tex-mode for emacs //�쒹// -*- coding: sjis -*-
 ;;; (c)1991-2018 by HIROSE Yuuji.[yuuji@yatex.org]
-;;; Last modified Mon Dec 24 20:55:33 2018 on firestorm
+;;; Last modified Tue Dec 25 20:03:02 2018 on firestorm
 ;;; $Id$
 ;;; The latest version of this software is always available at;
 ;;; https://www.yatex.org/
@@ -16,7 +16,7 @@
 
 ;;; Code:
 (require 'yatexlib)
-(defconst YaTeX-revision-number "1.81"
+(defconst YaTeX-revision-number "1.81.1"
   "Revision number of running yatex.el")
 
 ;---------- Local variables ----------