diff --git a/README.md b/README.md
index db17faf4c42a84965144d4501ef9a7c8012707b9..03ecf6bd93299b1b9e93837e87862b832577f3a6 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ If you have any questions, don't hesitate to ask them on [![Join the chat at htt
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/ongr-io/ElasticsearchDSL/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/ongr-io/ElasticsearchDSL/?branch=master)
 
 __This component requires Elasticsearch 2.0 or newer.__
+> Warning: Amazon Elasticsearch Service currently supports only Elasticsearch 1.5.2. and cannot be used.
 
 ## Documentation