diff --git a/README.md b/README.md
index f82e799..8997e34 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # `simple_parallel`
 
-[![Build Status](https://travis-ci.org/huonw/simple_parallel.png)](https://travis-ci.org/huonw/simple_parallel)
+[![Build Status](https://travis-ci.org/huonw/simple_parallel.svg)](https://travis-ci.org/huonw/simple_parallel)
 
 Straight-forward functions and types for basic data parallel
 operations.