From 81252623a2c8a6fa8b861cb348871b903ef547b1 Mon Sep 17 00:00:00 2001
From: Jason Lee <huacnlee@gmail.com>
Date: Wed, 25 May 2016 13:06:35 +0800
Subject: [PATCH] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 03b5058..03ab7e3 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ Idea by: https://ruby-china.org/topics/20558#reply4
 
 ## Requirements
 
-- ImageMagick
+- ImageMagick 6.9+
 
 #### Ubuntu