diff --git a/lib/telegram/bot/updates_controller/instrumentation.rb b/lib/telegram/bot/updates_controller/instrumentation.rb
index 3b6eb1f..89d0e1a 100644
--- a/lib/telegram/bot/updates_controller/instrumentation.rb
+++ b/lib/telegram/bot/updates_controller/instrumentation.rb
@@ -6,7 +6,7 @@ module Telegram
       module Instrumentation
         class << self
           def prepended(base)
-            base.config_accessor :logger
+            base.send :config_accessor, :logger
             base.extend ClassMethods
           end
 
diff --git a/lib/telegram/bot/updates_poller.rb b/lib/telegram/bot/updates_poller.rb
index 84c61f8..825dcdb 100644
--- a/lib/telegram/bot/updates_poller.rb
+++ b/lib/telegram/bot/updates_poller.rb
@@ -77,11 +77,25 @@ module Telegram
 
       def reload!
         return yield unless reload
-        ActionDispatch::Reloader.prepare!
-        if controller.is_a?(Class) && controller.name
-          @controller = Object.const_get(controller.name)
+        reloading_code do
+          if controller.is_a?(Class) && controller.name
+            @controller = Object.const_get(controller.name)
+          end
+          yield
+        end
+      end
+
+      if defined?(Rails) && Rails.application.respond_to?(:reloader)
+        def reloading_code
+          Rails.application.reloader.wrap do
+            yield
+          end
+        end
+      else
+        def reloading_code
+          ActionDispatch::Reloader.prepare!
+          yield.tap { ActionDispatch::Reloader.cleanup! }
         end
-        yield.tap { ActionDispatch::Reloader.cleanup! }
       end
     end
   end
diff --git a/telegram-bot.gemspec b/telegram-bot.gemspec
index ff4e46f..d26ae38 100644
--- a/telegram-bot.gemspec
+++ b/telegram-bot.gemspec
@@ -20,8 +20,8 @@ Gem::Specification.new do |spec|
 
   spec.required_ruby_version = '~> 2.0'
 
-  spec.add_dependency 'activesupport', '~> 4.0'
-  spec.add_dependency 'actionpack', '~> 4.0'
+  spec.add_dependency 'activesupport', '>= 4.0', '< 5.1'
+  spec.add_dependency 'actionpack', '>= 4.0', '< 5.1'
   spec.add_dependency 'httpclient', '~> 2.7'
   spec.add_development_dependency 'bundler', '~> 1.11'
   spec.add_development_dependency 'rake', '~> 10.0'