diff --git a/CHANGELOG.md b/CHANGELOG.md
index f659140..9389ea6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.55.0][0.55.0] - 2021-11-06
+
+Added:
+
+1. Support Bot API v5.4: (@danielperez9430)
+
+   * Add method *approveChatJoinRequest()*
+   * Add method *declineChatJoinRequest()*
+   * Add support for new updates:
+     * *chat_join_request*
+
 ## [0.54.0][0.54.0] - 2021-06-29
 
 Added:
diff --git a/README.md b/README.md
index 36ac782..7e720ff 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 Node.js module to interact with the official [Telegram Bot API](https://core.telegram.org/bots/api).
 
 
-[![Bot API](https://img.shields.io/badge/Bot%20API-v.5.2-00aced.svg?style=flat-square&logo=telegram)](https://core.telegram.org/bots/api)
+[![Bot API](https://img.shields.io/badge/Bot%20API-v.5.4-00aced.svg?style=flat-square&logo=telegram)](https://core.telegram.org/bots/api)
 [![npm package](https://img.shields.io/npm/v/node-telegram-bot-api?logo=npm&style=flat-square)](https://www.npmjs.org/package/node-telegram-bot-api)
 [![Build Status](https://img.shields.io/travis/yagop/node-telegram-bot-api/master?style=flat-square&logo=travis)](https://travis-ci.org/yagop/node-telegram-bot-api)
 [![Coverage Status](https://img.shields.io/codecov/c/github/yagop/node-telegram-bot-api?style=flat-square&logo=codecov)](https://codecov.io/gh/yagop/node-telegram-bot-api)