README.md in heroku_hatchet-1.3.2 vs README.md in heroku_hatchet-1.3.3

- old
+ new

@@ -2,10 +2,10 @@
 
 ![](http://f.cl.ly/items/2M2O2Q2I2x0e1M1P2936/Screen%20Shot%202013-01-06%20at%209.59.38%20PM.png)
 
 Hatchet is a an integration testing library for developing Heroku buildpacks.
 
-[![Build Status](https://travis-ci.org/heroku/hatchet.png?branch=master)](https://travis-ci.org/heroku/hatchet)
+[![Build Status](https://travis-ci.org/heroku/hatchet.svg?branch=master)](https://travis-ci.org/heroku/hatchet)
 
 ## Install
 
 First run: