diff --git a/markdown-preview-mode.el b/markdown-preview-mode.el
index c994c01..41330d6 100644
--- a/markdown-preview-mode.el
+++ b/markdown-preview-mode.el
@@ -5,6 +5,7 @@
 ;; Author: Igor Shymko <igor.shimko@gmail.com>
 ;; URL: https://github.com/ancane/markdown-preview-mode
 ;; Keywords: markdown, preview
+;; Version: 0.1
 ;; Package-Requires: ((websocket "1.5") (markdown-mode "2.1") (cl-lib "0.5"))
 
 ;; This file is not part of GNU Emacs.