diff --git a/.rubocop.yml b/.rubocop.yml
index f4d1051..53ce884 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -40,6 +40,7 @@ Style/IfUnlessModifier: {Enabled: false}
 # Consistent to other definitions.
 Style/EmptyMethod: {EnforcedStyle: expanded}
 
+Style/Lambda: {EnforcedStyle: literal}
 Style/ModuleFunction: {Enabled: false}
 Style/NestedParenthesizedCalls: {Enabled: false}
 Style/SignalException: {EnforcedStyle: only_raise}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 926fccc..bb175b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 - Add `:path` option to `telegram_webhook` route helper.
 - __Breaking change!__ Default route is generated using hashed bot token.
   Please reconfigure webhook after update (`rake telegram:bot:set_webhook`).
+- Update to Bot API 5.0, add rake tasks for `deleteWebhook`, `close` & `logOut`.
 
 # 0.14.4
 
diff --git a/bin/fetch-telegram-methods b/bin/fetch-telegram-methods
index 0092284..193d19a 100755
--- a/bin/fetch-telegram-methods
+++ b/bin/fetch-telegram-methods
@@ -25,7 +25,7 @@ method_list = headers.
   map { |g| g.reject { |x| x.match?(NOT_METHOD_REGEXP) } }.
   reject(&:empty?)
 
-api_version = doc.text.match(/^(Bot API ([\d\.]+))\.?$/)
+api_version = doc.text.match(/^(?:Introducing )?(Bot API ([\d\.]+))\.?$/)
 
 result = ['# Generated with bin/fetch-telegram-methods']
 result << "# #{api_version[1]}" if api_version
diff --git a/lib/tasks/telegram-bot.rake b/lib/tasks/telegram-bot.rake
index 2ee40e8..01c5cd9 100644
--- a/lib/tasks/telegram-bot.rake
+++ b/lib/tasks/telegram-bot.rake
@@ -14,15 +14,22 @@ namespace :telegram do
 
     desc 'Set webhook urls for all bots'
     task set_webhook: :environment do
-      routes = Rails.application.routes.url_helpers
-      cert_file = ENV['CERT']
-      cert = File.open(cert_file) if cert_file
-      Telegram.bots.each do |key, bot|
-        route_name = Telegram::Bot::RoutesHelper.route_name_for_bot(bot)
-        url = routes.send("#{route_name}_url")
-        puts "Setting webhook for #{key}..."
-        bot.async(false) { bot.set_webhook(url: url, certificate: cert) }
-      end
+      Telegram::Bot::Tasks.set_webhook
+    end
+
+    desc 'Delete webhooks for all or specific BOT'
+    task :delete_webhook do
+      Telegram::Bot::Tasks.delete_webhook
+    end
+
+    desc 'Perform logOut command for all or specific BOT'
+    task :log_out do
+      Telegram::Bot::Tasks.log_out
+    end
+
+    desc 'Perform `close` command for all or specific BOT'
+    task :close do
+      Telegram::Bot::Tasks.close
     end
   end
 end
diff --git a/lib/telegram/bot.rb b/lib/telegram/bot.rb
index c3792e0..f6c1ffc 100644
--- a/lib/telegram/bot.rb
+++ b/lib/telegram/bot.rb
@@ -28,6 +28,7 @@ module Telegram
     autoload :Initializers,       'telegram/bot/initializers'
     autoload :Middleware,         'telegram/bot/middleware'
     autoload :RSpec,              'telegram/bot/rspec'
+    autoload :Tasks,              'telegram/bot/tasks'
     autoload :UpdatesController,  'telegram/bot/updates_controller'
     autoload :UpdatesPoller,      'telegram/bot/updates_poller'
   end
diff --git a/lib/telegram/bot/client/api_methods.txt b/lib/telegram/bot/client/api_methods.txt
index 24b1ffc..eee297a 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 4.7
+# Bot API 5.0
 
 getUpdates
 setWebhook
@@ -7,8 +7,11 @@ deleteWebhook
 getWebhookInfo
 
 getMe
+logOut
+close
 sendMessage
 forwardMessage
+copyMessage
 sendPhoto
 sendAudio
 sendDocument
@@ -40,6 +43,7 @@ setChatTitle
 setChatDescription
 pinChatMessage
 unpinChatMessage
+unpinAllChatMessages
 leaveChat
 getChat
 getChatAdministrators
diff --git a/lib/telegram/bot/tasks.rb b/lib/telegram/bot/tasks.rb
new file mode 100644
index 0000000..2bd1787
--- /dev/null
+++ b/lib/telegram/bot/tasks.rb
@@ -0,0 +1,63 @@
+# frozen_string_literal: true
+
+module Telegram
+  module Bot
+    module Tasks
+      extend self
+
+      def set_webhook
+        routes = Rails.application.routes.url_helpers
+        cert_file = ENV['CERT']
+        cert = File.open(cert_file) if cert_file
+        each_bot do |key, bot|
+          route_name = RoutesHelper.route_name_for_bot(bot)
+          url = routes.send("#{route_name}_url")
+          say("Setting webhook for #{key}...")
+          bot.set_webhook(
+            url: url,
+            certificate: cert,
+            ip_address: ENV['IP_ADDRESS'],
+            drop_pending_updates: drop_pending_updates,
+          )
+        end
+      end
+
+      def delete_webhook
+        each_bot do |key, bot|
+          say("Deleting webhook for #{key}...")
+          bot.delete_webhook(drop_pending_updates: drop_pending_updates)
+        end
+      end
+
+      def log_out
+        each_bot do |key, bot|
+          say("Logging out #{key}...")
+          bot.log_out
+        end
+      end
+
+      def close
+        each_bot do |key, bot|
+          say("Closing #{key}...")
+          bot.close
+        end
+      end
+
+      private
+
+      def say(text)
+        puts(text) unless Rails.env.test? # rubocop:disable Rails/Output
+      end
+
+      def each_bot(&block)
+        id = ENV['BOT'].try!(:to_sym)
+        bots = id ? {id => Client.by_id(id)} : Telegram.bots
+        bots.each { |key, bot| bot.async(false) { block[key, bot] } }
+      end
+
+      def drop_pending_updates
+        ENV['DROP_PENDING_UPDATES'].try!(:downcase) == 'true'
+      end
+    end
+  end
+end
diff --git a/spec/integration/tasks_spec.rb b/spec/integration/tasks_spec.rb
new file mode 100644
index 0000000..39b2d35
--- /dev/null
+++ b/spec/integration/tasks_spec.rb
@@ -0,0 +1,74 @@
+# frozen_string_literal: true
+
+require 'integration_helper'
+
+RSpec.describe Telegram::Bot::Tasks, type: :request do
+  include Telegram::Bot::RSpec::ClientMatchers
+
+  def stub_env(new_values)
+    new_values.stringify_keys!
+    old_values = ENV.to_h.slice(new_values.keys)
+    new_values.each { |k, v| ENV[k] = v.to_s }
+    yield
+  ensure
+    new_values.each_key { |k| ENV[k] = old_values[k] }
+  end
+
+  shared_examples 'uses BOT envar' do |bot_matcher|
+    it 'runs for all bots by default' do
+      matcher = Telegram.bots.values.map { |x| instance_exec(x, &bot_matcher) }.reduce(&:and)
+      expect(subject).to matcher
+    end
+
+    context 'when BOT specified' do
+      around { |ex| stub_env(BOT: :other) { ex.run } }
+
+      it 'runs for this bot only' do
+        expect(subject).to instance_exec(Telegram.bots[:other], &bot_matcher)
+      end
+    end
+  end
+
+  describe '#log_out' do
+    subject { -> { described_class.log_out } }
+    include_examples 'uses BOT envar', ->(bot) { make_telegram_request(bot, :logOut) }
+  end
+
+  describe '#close' do
+    subject { -> { described_class.close } }
+    include_examples 'uses BOT envar', ->(bot) { make_telegram_request(bot, :close) }
+  end
+
+  describe '#set_webhook' do
+    subject { -> { described_class.set_webhook } }
+    include_examples 'uses BOT envar', ->(bot) { make_telegram_request(bot, :setWebhook) }
+
+    context 'with options in env' do
+      around do |ex|
+        stub_env(IP_ADDRESS: '1.2.3.4', DROP_PENDING_UPDATES: 'TrUe') do
+          ex.run
+        end
+      end
+      include_examples 'uses BOT envar', ->(bot) {
+        make_telegram_request(bot, :setWebhook).with(hash_including(
+          ip_address: '1.2.3.4',
+          drop_pending_updates: true,
+        ))
+      }
+    end
+  end
+
+  describe '#delete_webhook' do
+    subject { -> { described_class.delete_webhook } }
+    include_examples 'uses BOT envar', ->(bot) { make_telegram_request(bot, :deleteWebhook) }
+
+    context 'with options in env' do
+      around { |ex| stub_env(DROP_PENDING_UPDATES: 'TrUe') { ex.run } }
+      include_examples 'uses BOT envar', ->(bot) {
+        make_telegram_request(bot, :deleteWebhook).with(hash_including(
+          drop_pending_updates: true,
+        ))
+      }
+    end
+  end
+end
diff --git a/spec/integration_helper.rb b/spec/integration_helper.rb
index dcd91f5..e876124 100644
--- a/spec/integration_helper.rb
+++ b/spec/integration_helper.rb
@@ -14,6 +14,7 @@ class TestApplication < Rails::Application
   config.eager_load = false
   config.log_level = :debug
   config.action_dispatch.show_exceptions = false
+  routes.default_url_options = {host: 'test.rpsec'}
 
   telegram_config = {
     bot: 'default_token',