diff --git a/README.md b/README.md
index d27379c..967be04 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 [![Build Status](https://travis-ci.org/ChainSafe/lodestar.svg?branch=master)](https://travis-ci.org/ChainSafe/lodestar)
 [![codecov](https://codecov.io/gh/ChainSafe/lodestar/branch/master/graph/badge.svg)](https://codecov.io/gh/ChainSafe/lodestar)
 ![ETH2.0_Spec_Version 0.12.0](https://img.shields.io/badge/ETH2.0_Spec_Version-0.12.0-2e86c1.svg)
+![ES Version](https://img.shields.io/badge/ES-2017-yellow)
+![Node Version](https://img.shields.io/badge/node-12.x-green)
 
 This is a Javascript library that implements BLS (Boneh-Lynn-Shacham) signatures and supports signature aggregation.