diff --git a/aiogram/__init__.py b/aiogram/__init__.py
index b04113ca..c7964c3a 100644
--- a/aiogram/__init__.py
+++ b/aiogram/__init__.py
@@ -44,4 +44,4 @@ __all__ = (
 )
 
 __version__ = '2.11.3'
-__api_version__ = '5.0'
+__api_version__ = '5.1'
diff --git a/aiogram/bot/api.py b/aiogram/bot/api.py
index 9b86e7ca..70085590 100644
--- a/aiogram/bot/api.py
+++ b/aiogram/bot/api.py
@@ -189,7 +189,7 @@ class Methods(Helper):
     """
     Helper for Telegram API Methods listed on https://core.telegram.org/bots/api
 
-    List is updated to Bot API 5.0
+    List is updated to Bot API 5.1
     """
     mode = HelperMode.lowerCamelCase