diff --git a/README.md b/README.md
index 79a55e0c5464a..67f874f1849e0 100644
--- a/README.md
+++ b/README.md
@@ -210,6 +210,7 @@ include yours!
 ) ([Demo](https://emilyaviva.github.io/gatsby-starter-blog-multiple-authors/))
 * [Barebones](https://github.com/Rusta/gatsby-starter-barebones) ([Demo](https://rusta.github.io/gatsby-starter-barebones/))
 * [Barebones with Preact](https://github.com/Rusta/gatsby-starter-barebones-preact) ([Demo](https://rusta.github.io/gatsby-starter-barebones-preact/))
+* [Undefined](https://github.com/kentaro-m/gatsby-starter-undefined) ([Demo](https://undefined.netlify.com/))
 
 ### Tutorial: Building a documentation site from the Gatsby Documentation Starter
 1. Install gatsby `npm install -g gatsby`