diff --git a/README.md b/README.md
index 9524fd2..3efecaf 100644
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+++ b/README.md
@@ -2,6 +2,7 @@
 
 ## 요구사항
 1. [Node](https://nodejs.org/en/)
+2. [Grunt](http://gruntjs.com/)
 
 ## 사용방법