diff --git a/README.md b/README.md
index 20183b735..b2c479cb4 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 Zotero
 ======
+[![Build Status](https://travis-ci.org/zotero/zotero.svg?branch=4.0)](https://travis-ci.org/zotero/zotero)
 
 Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share your research sources.