diff --git a/README.md b/README.md
index 43b1ad9..191a384 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@ Cayley is an open-source graph inspired by the graph database behind [Freebase](
 
 Its goal is to be a part of the developer's toolbox where [Linked Data](http://linkeddata.org/) and graph-shaped data (semantic webs, social networks, etc) in general are concerned.
 
+[![Build Status](https://travis-ci.org/google/cayley.png?branch=master)](https://travis-ci.org/google/cayley)
 
 ## Features