diff --git a/README.md b/README.md
index a1c5b82..d27379c 100644
--- a/README.md
+++ b/README.md
@@ -2,14 +2,19 @@
 
 [![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 0.11.1](https://img.shields.io/badge/ETH2.0_Spec_Version-0.11.1-2e86c1.svg)
+![ETH2.0_Spec_Version 0.12.0](https://img.shields.io/badge/ETH2.0_Spec_Version-0.12.0-2e86c1.svg)
 
 This is a Javascript library that implements BLS (Boneh-Lynn-Shacham) signatures and supports signature aggregation.
 
->[spec](https://github.com/ethereum/eth2.0-specs/blob/v0.11.1/specs/phase0/beacon-chain.md#bls-signatures)
->[test vectors](https://github.com/ethereum/eth2.0-spec-tests/tree/master/tests/bls)
+| Version   |      Bls spec version     |
+|----------|:-------------:|
+| 0.3.x |  initial version |
+| 1.x.x |    draft #6   |
+| 2.x.x | draft #7 |
 
-##### Notice: *0.3.x* branch and releases follows old [eth2 bls specitification](https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/bls_signature.md)
+>[spec](https://github.com/ethereum/eth2.0-specs/blob/v0.11.1/specs/phase0/beacon-chain.md#bls-signatures)
+
+>[test vectors](https://github.com/ethereum/eth2.0-spec-tests/tree/master/tests/bls)
 
 ## Usage
 - `yarn add @chainsafe/bls`