diff --git a/README.md b/README.md
index 2a61c9036..49d88c140 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,11 @@
 # mermaid [![Build Status](https://travis-ci.org/mermaid-js/mermaid.svg?branch=master)](https://travis-ci.org/mermaid-js/mermaid) [![NPM](https://img.shields.io/npm/v/mermaid)](https://www.npmjs.com/package/mermaid) [![Coverage Status](https://coveralls.io/repos/github/mermaid-js/mermaid/badge.svg?branch=master)](https://coveralls.io/github/mermaid-js/mermaid?branch=master) [![Join our Slack!](https://img.shields.io/static/v1?message=join%20chat&color=9cf&logo=slack&label=slack)](https://join.slack.com/t/mermaid-talk/shared_invite/enQtNzc4NDIyNzk4OTAyLWVhYjQxOTI2OTg4YmE1ZmJkY2Y4MTU3ODliYmIwOTY3NDJlYjA0YjIyZTdkMDMyZTUwOGI0NjEzYmEwODcwOTE) [![This project is using Percy.io for visual regression testing.](https://percy.io/static/images/percy-badge.svg)](https://percy.io/Mermaid/mermaid)
 
+<p align="center">
+    <a href="https://www.buymeacoffee.com/knsv" rel="nofollow">
+        <img src="https://user-images.githubusercontent.com/30767528/63641973-9d301680-c6b7-11e9-9d29-2ad1da50fdce.png" style="max-width:100%;" />
+    </a>
+</p>
+
 ![banner](./img/header.png)
 
 :trophy: **Mermaid was nominated and won the [JS Open Source Awards (2019)](https://osawards.com/javascript/2019) in the category "The most exciting use of technology"!!!**