diff --git a/.apiversion b/.apiversion
index cf022018..dd98ee6c 100644
--- a/.apiversion
+++ b/.apiversion
@@ -1 +1 @@
-8.3
+9.0
diff --git a/README.rst b/README.rst
index 02ae7877..fe350f6d 100644
--- a/README.rst
+++ b/README.rst
@@ -52,7 +52,7 @@ Features
 - Asynchronous (`asyncio docs <https://docs.python.org/3/library/asyncio.html>`_, :pep:`492`)
 - Has type hints (:pep:`484`) and can be used with `mypy <http://mypy-lang.org/>`_
 - Supports `PyPy <https://www.pypy.org/>`_
-- Supports `Telegram Bot API 8.3 <https://core.telegram.org/bots/api>`_ and gets fast updates to the latest versions of the Bot API
+- Supports `Telegram Bot API 9.0 <https://core.telegram.org/bots/api>`_ and gets fast updates to the latest versions of the Bot API
 - Telegram Bot API integration code was `autogenerated <https://github.com/aiogram/tg-codegen>`_ and can be easily re-generated when API gets updated
 - Updates router (Blueprints)
 - Has Finite State Machine
diff --git a/aiogram/__meta__.py b/aiogram/__meta__.py
index 3e3345d6..d7dc8493 100644
--- a/aiogram/__meta__.py
+++ b/aiogram/__meta__.py
@@ -1,2 +1,2 @@
 __version__ = "3.19.0"
-__api_version__ = "8.3"
+__api_version__ = "9.0"