diff --git a/README.md b/README.md
index b43c962..d325126 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 ## Installation
 
-Koa requires __node v7.6.0__ or higher for ES2015 and async function support.
+Koa requires __node v8.2.1__ or higher for ES2015 and async function support.
 
 ```
 $ npm install koa -g