diff --git a/README.md b/README.md
index 863f984..ead0598 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,9 @@
 [![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](#Contributing)
 [![GitHub issues](https://img.shields.io/github/issues/khoih-prog/AsyncUDP_WT32_ETH01.svg)](http://github.com/khoih-prog/AsyncUDP_WT32_ETH01/issues)
 
+
+<a href="https://www.buymeacoffee.com/khoihprog6" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a>
+
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@@ -86,8 +89,8 @@ to apply the better and faster **asynchronous** feature of the **powerful** [Asy
 
 ## Prerequisites
 
- 1. [`Arduino IDE 1.8.16+` for Arduino](https://www.arduino.cc/en/Main/Software)
- 2. [`ESP32 Core 2.0.1+`](https://github.com/espressif/arduino-esp32) for ESP32-based boards. [![Latest release](https://img.shields.io/github/release/espressif/arduino-esp32.svg)](https://github.com/espressif/arduino-esp32/releases/latest/)
+ 1. [`Arduino IDE 1.8.19+` for Arduino](https://github.com/arduino/Arduino). [![GitHub release](https://img.shields.io/github/release/arduino/Arduino.svg)](https://github.com/arduino/Arduino/releases/latest)
+ 2. [`ESP32 Core 2.0.2+`](https://github.com/espressif/arduino-esp32) for ESP32-based boards. [![Latest release](https://img.shields.io/github/release/espressif/arduino-esp32.svg)](https://github.com/espressif/arduino-esp32/releases/latest/)
  
  3. [`WebServer_WT32_ETH01 library 1.4.1+`](https://github.com/khoih-prog/WebServer_WT32_ETH01). To install, check [![arduino-library-badge](https://www.ardu-badge.com/badge/WebServer_WT32_ETH01.svg?)](https://www.ardu-badge.com/WebServer_WT32_ETH01).
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