diff --git a/README.md b/README.md
index 44492944..c29db46b 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@ title: About
 permalink: /about/
 ---
 
+[![Build Status](https://travis-ci.org/plfa/plfa.github.io.svg?branch=dev)](https://travis-ci.org/plfa/plfa.github.io)
 
 ## How to build the book