diff --git a/zencoding.vim b/zencoding.vim
index a1395a4..d37cb80 100644
--- a/zencoding.vim
+++ b/zencoding.vim
@@ -2,7 +2,7 @@
 " File: zencoding.vim
 " Author: Yasuhiro Matsumoto <mattn.jp@gmail.com>
 " Last Change: 23-Feb-2010.
-" Version: 0.17
+" Version: 0.18
 " WebPage: http://github.com/mattn/zencoding-vim
 " Description: vim plugins for HTML and CSS hi-speed coding.
 " SeeAlso: http://code.google.com/p/zen-coding/
diff --git a/zencoding.vim.vimup b/zencoding.vim.vimup
index 776072f..688079a 100644
--- a/zencoding.vim.vimup
+++ b/zencoding.vim.vimup
@@ -67,6 +67,8 @@ install_details: |
   copy zencoding.vim to your plugin directory.
 
 versions:
+- '0.18': |
+   This is an upgrade for ZenCoding.vim: ignore duplicate key map.
 - '0.17': |
    This is an upgrade for ZenCoding.vim: fixed key map.
 - '0.16': |