diff --git a/README.md b/README.md
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+++ b/README.md
@@ -2,6 +2,8 @@
 
 zs is an extremely minimal static site generator written in Go.
 
+[![Build Status](https://ci.mills.io/api/badges/prologic/zs/status.svg)](https://ci.mills.io/prologic/zs)
+
 ## Features
 
 * Zero configuration (no configuration file needed)