diff --git a/README.md b/README.md
index dd47c1c..3be68fb 100644
--- a/README.md
+++ b/README.md
@@ -1272,7 +1272,7 @@ Reveal.initialize({
 
 Then:
 
-1. Install [Node.js](http://nodejs.org/) (4.0.0 or later)
+1. Install [Node.js](http://nodejs.org/) (9.0.0 or later)
 2. Run `npm install`
 3. Run `node plugin/notes-server`