diff --git a/CHANGELOG.md b/CHANGELOG.md
index 505a1db..004ce27 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# Unreleased
+# 0.9.0
 
 - Async API requests.
 - One more description for StaleChat error.
diff --git a/lib/telegram/bot/version.rb b/lib/telegram/bot/version.rb
index c9a72c1..61dd45f 100644
--- a/lib/telegram/bot/version.rb
+++ b/lib/telegram/bot/version.rb
@@ -1,6 +1,6 @@
 module Telegram
   module Bot
-    VERSION = '0.9.0.alpha2'.freeze
+    VERSION = '0.9.0'.freeze
 
     def self.gem_version
       Gem::Version.new VERSION