diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0f170c..6ebf226 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Unreleased
 
+# 0.15.4
+
+- Update to Bot API 5.3
+
 # 0.15.3
 
 - Ruby 3.0 support: fix translation helpers.
diff --git a/Gemfile b/Gemfile
index eceb37d..1c7b9db 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ group :development do
   gem 'pry-byebug', '~> 3.9.0'
   gem 'sdoc', '~> 2.0.3'
 
-  gem 'telegram-bot-types', '~> 0.6.2'
+  gem 'telegram-bot-types', '~> 0.6.3'
 
   gem 'rspec', '~> 3.10.0'
   gem 'rspec-its', '~> 1.3.0'
diff --git a/lib/telegram/bot/client/api_methods.txt b/lib/telegram/bot/client/api_methods.txt
index eee297a..70a6484 100644
--- a/lib/telegram/bot/client/api_methods.txt
+++ b/lib/telegram/bot/client/api_methods.txt
@@ -1,5 +1,5 @@
 # Generated with bin/fetch-telegram-methods
-# Bot API 5.0
+# Bot API 5.3
 
 getUpdates
 setWebhook
@@ -30,13 +30,16 @@ sendDice
 sendChatAction
 getUserProfilePhotos
 getFile
-kickChatMember
+banChatMember
 unbanChatMember
 restrictChatMember
 promoteChatMember
 setChatAdministratorCustomTitle
 setChatPermissions
 exportChatInviteLink
+createChatInviteLink
+editChatInviteLink
+revokeChatInviteLink
 setChatPhoto
 deleteChatPhoto
 setChatTitle
@@ -47,12 +50,13 @@ unpinAllChatMessages
 leaveChat
 getChat
 getChatAdministrators
-getChatMembersCount
+getChatMemberCount
 getChatMember
 setChatStickerSet
 deleteChatStickerSet
 answerCallbackQuery
 setMyCommands
+deleteMyCommands
 getMyCommands
 
 editMessageText
diff --git a/lib/telegram/bot/updates_controller.rb b/lib/telegram/bot/updates_controller.rb
index f679f76..478c183 100644
--- a/lib/telegram/bot/updates_controller.rb
+++ b/lib/telegram/bot/updates_controller.rb
@@ -99,6 +99,8 @@ module Telegram
         pre_checkout_query
         poll
         poll_answer
+        my_chat_member
+        chat_member
       ].freeze
 
       class << self
diff --git a/lib/telegram/bot/version.rb b/lib/telegram/bot/version.rb
index 573f591..f135882 100644
--- a/lib/telegram/bot/version.rb
+++ b/lib/telegram/bot/version.rb
@@ -1,6 +1,6 @@
 module Telegram
   module Bot
-    VERSION = '0.15.3'.freeze
+    VERSION = '0.15.4'.freeze
 
     def self.gem_version
       Gem::Version.new VERSION
diff --git a/spec/telegram/bot/updates_controller/typed_update_spec.rb b/spec/telegram/bot/updates_controller/typed_update_spec.rb
index 878f37c..2ec43e5 100644
--- a/spec/telegram/bot/updates_controller/typed_update_spec.rb
+++ b/spec/telegram/bot/updates_controller/typed_update_spec.rb
@@ -9,14 +9,19 @@ RSpec.describe Telegram::Bot::UpdatesController::TypedUpdate do
 
   context 'when `update` is a virtus model' do
     subject { controller }
-    unique_types = Telegram::Bot::UpdatesController::PAYLOAD_TYPES - %w[
+    unique_types = (Telegram::Bot::UpdatesController::PAYLOAD_TYPES - %w[
       edited_message
       channel_post
       edited_channel_post
-    ]
-    unique_types.each do |type|
+      my_chat_member
+      chat_member
+    ]).
+      map { |x| [x, Telegram::Bot::Types.const_get(type.camelize)] }.to_h.
+      merge(
+        'chat_member' => Telegram::Bot::Types::ChatMemberUpdated
+      )
+    unique_types.each do |type, type_class|
       context "with #{type}" do
-        type_class = Telegram::Bot::Types.const_get(type.camelize)
         let(:payload_type) { type }
         let(:payload) do
           {}.tap do |result|