diff --git a/flyspell-popup.el b/flyspell-popup.el
index 126dc79..a3ddde2 100644
--- a/flyspell-popup.el
+++ b/flyspell-popup.el
@@ -6,7 +6,7 @@
 ;; Keywords: convenience
 ;; URL: https://github.com/xuchunyang/flyspell-popup
 ;; Version: 0.1
-;; Package-Version: ((popup "0.5.0"))
+;; Package-Requires: ((popup "0.5.0"))
 ;; Created: Sun Jun 28 15:23:05 CST 2015
 
 ;; This program is free software; you can redistribute it and/or modify