diff --git a/README.md b/README.md
index bbd5b27..9bef69c 100644
--- a/README.md
+++ b/README.md
@@ -181,7 +181,7 @@ to apply the better and faster **asynchronous** feature of the **powerful** [ESP
 
 ## Prerequisites
 
- 1. [`Arduino IDE 1.8.16+` for Arduino](https://www.arduino.cc/en/Main/Software)
+ 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. [`Arduino Core for STM32 v2.2.0+`](https://github.com/stm32duino/Arduino_Core_STM32) for STM32 boards. [![GitHub release](https://img.shields.io/github/release/stm32duino/Arduino_Core_STM32.svg)](https://github.com/stm32duino/Arduino_Core_STM32/releases/latest)
  3. [`STM32Ethernet library v1.2.0+`](https://github.com/stm32duino/STM32Ethernet) for built-in LAN8742A Ethernet on (Nucleo-144, Discovery). [![GitHub release](https://img.shields.io/github/release/stm32duino/STM32Ethernet.svg)](https://github.com/stm32duino/STM32Ethernet/releases/latest)
  4. [`LwIP library v2.1.2+`](https://github.com/stm32duino/LwIP) for built-in LAN8742A Ethernet on (Nucleo-144, Discovery). [![GitHub release](https://img.shields.io/github/release/stm32duino/LwIP.svg)](https://github.com/stm32duino/LwIP/releases/latest)