diff --git a/README.md b/README.md
index 153ad48..0a3b897 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
+[![Coverage Status](https://coveralls.io/repos/github/akopytov/sysbench/badge.svg?branch=0.5)](https://coveralls.io/github/akopytov/sysbench?branch=0.5)
 [![Build Status](https://travis-ci.org/akopytov/sysbench.svg?branch=0.5)](https://travis-ci.org/akopytov/sysbench)
 
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