diff --git a/README.md b/README.md
index f9d8584738..4fc98685fa 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,11 @@ traffic analysis and security monitoring.
 
 Follow us on Twitter at [@zeekurity](https://twitter.com/zeekurity).
 
+[![Coverage Status](https://coveralls.io/repos/github/zeek/zeek/badge.svg?branch=master)](https://coveralls.io/github/zeek/zeek?branch=master)
+
 </h4>
 
+
 Key Features
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