From 81bc55fe46ab9d6bbee2f51a8278d2ae445d38a4 Mon Sep 17 00:00:00 2001
From: Yuya Ochiai <yuya0321@gmail.com>
Date: Thu, 7 Sep 2017 00:33:31 +0900
Subject: [PATCH] Update development.md to use Yarn

---
 docs/development.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/development.md b/docs/development.md
index ee29fe11..0374a50b 100644
--- a/docs/development.md
+++ b/docs/development.md
@@ -6,13 +6,14 @@
 - C++ environment which supports C++11 (e.g. VS 2015, Xcode, GCC)
 - Python 2.7
 - Node.js 4.2.0 or later
+- Yarn
 - Git
 
 ### Installing dependencies
 After installation, dependencies of `src/` directory are also installed.
 
 ```
-$ npm install
+$ yarn
 ```
 
 ### Building