diff --git a/README.md b/README.md
index 856a4a3..17bf910 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,10 @@ TransportClient transportClient = new TracingPreBuiltTransportClient(settings)
 
 ```
 
+## License
+
+[Apache 2.0 License](./LICENSE).
+
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 [ci]: https://travis-ci.org/opentracing-contrib/java-elasticsearch-client
 [cov-img]: https://coveralls.io/repos/github/opentracing-contrib/java-elasticsearch-client/badge.svg?branch=master