diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 libsecp256k1
 ============
 
+[![Build Status](https://travis-ci.org/bitcoin/secp256k1.svg?branch=master)](https://travis-ci.org/bitcoin/secp256k1)
+
 Optimized C library for EC operations on curve secp256k1.
 
 This library is experimental, so use at your own risk.