diff --git a/README.md b/README.md
index a1713aad..59be4ddb 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 ![license](https://img.shields.io/badge/License-Apache%202.0-blue?logo=apache&style=flat-square)
 [![npm](https://img.shields.io/npm/v/@polkadot/extension?logo=npm&style=flat-square)](https://www.npmjs.com/package/@polkadot/extension)
 [![beta](https://img.shields.io/npm/v/@polkadot/extension/beta?label=beta&logo=npm&style=flat-square)](https://www.npmjs.com/package/@polkadot/extension)
-[![maintainability](https://img.shields.io/codeclimate/maintainability/polkadot-js/extension?logo=code-climate&style=flat-square)](https://codeclimate.com/github/polkadot-js/extension)
+[![maintainability](https://img.shields.io/codeclimate/maintainability-percentage/polkadot-js/extension?logo=code-climate&style=flat-square)](https://codeclimate.com/github/polkadot-js/extension)
 
 # ![polkadot{.js} extension](docs/logo.jpg)