diff --git a/README.md b/README.md
index 585fd35..1ad0af6 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 tk-serializer
 =============
 
+[![Build Status](https://travis-ci.org/thunderk/tk-serializer.svg?branch=master)](https://travis-ci.org/thunderk/tk-serializer)
+
 About
 -----
 
@@ -36,4 +38,4 @@ let state: string = serializer.serialize(obj);
 
 // Reconstruct the object back (*c* will be undefined)
 let nobj = serializer.unserialize(state);
-```
\ No newline at end of file
+```