diff --git a/README.md b/README.md
index 3b157721ee1d..be74ef7d9500 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 [![GitHub release (latest by date)](https://img.shields.io/github/v/release/chainsafe/lodestar?label=Github)](https://github.com/ChainSafe/lodestar/releases/latest)
 [![Docker Image Version (latest by date)](https://img.shields.io/docker/v/chainsafe/lodestar?color=blue&label=Docker&sort=semver)](https://hub.docker.com/r/chainsafe/lodestar)
-[![Ethereum Consensus Spec v1.1.10](https://img.shields.io/badge/ETH%20consensus--spec-1.1.10-blue)](https://github.com/ethereum/consensus-specs/releases/tag/v1.1.10)
+[![Eth Consensus Spec v1.4.0](https://img.shields.io/badge/ETH%20consensus--spec-1.4.0-blue)](https://github.com/ethereum/consensus-specs/releases/tag/v1.4.0)
 ![ES Version](https://img.shields.io/badge/ES-2021-yellow)
 ![Node Version](https://img.shields.io/badge/node-20.x-green)
 [![codecov](https://codecov.io/gh/ChainSafe/lodestar/graph/badge.svg)](https://codecov.io/gh/ChainSafe/lodestar)