diff --git a/README.md b/README.md
index 5f52d39..0d49782 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@
   * [Why using ISR-based Hardware Timer Interrupt is better](#why-using-isr-based-hardware-timer-interrupt-is-better)
   * [Currently supported Boards](#currently-supported-boards)
   * [Important Notes about ISR](#important-notes-about-isr)
+* [Changelog](changelog.md) 
 * [Prerequisites](#prerequisites)
 * [Installation](#installation)
   * [Use Arduino Library Manager](#use-arduino-library-manager)