diff --git a/lib/telegram/bot/version.rb b/lib/telegram/bot/version.rb
index bf9e4e4..0c4f2d6 100644
--- a/lib/telegram/bot/version.rb
+++ b/lib/telegram/bot/version.rb
@@ -1,6 +1,6 @@
 module Telegram
   module Bot
-    VERSION = '0.8.0'.freeze
+    VERSION = '0.9.0.alpha1'.freeze
 
     def self.gem_version
       Gem::Version.new VERSION