diff --git a/aiogram/bot/base.py b/aiogram/bot/base.py
index f45546c3..ee2e1af8 100644
--- a/aiogram/bot/base.py
+++ b/aiogram/bot/base.py
@@ -15,6 +15,7 @@ from . import api
 from ..types import ParseMode, base
 from ..utils import json
 from ..utils.auth_widget import check_integrity
+from ..utils.deprecated import deprecated
 
 
 class BaseBot:
@@ -173,6 +174,8 @@ class BaseBot:
         finally:
             self._ctx_token.reset(token)
 
+    @deprecated("This method behaviour will be changed in aiogram v3.0. "
+                "More info: https://core.telegram.org/bots/api#close")
     async def close(self):
         """
         Close all client sessions
diff --git a/aiogram/bot/bot.py b/aiogram/bot/bot.py
index 63fc0934..9fe01ff0 100644
--- a/aiogram/bot/bot.py
+++ b/aiogram/bot/bot.py
@@ -7,6 +7,7 @@ import warnings
 from .base import BaseBot, api
 from .. import types
 from ..types import base
+from ..utils.deprecated import deprecated
 from ..utils.mixins import DataMixin, ContextInstanceMixin
 from ..utils.payload import generate_payload, prepare_arg, prepare_attachment, prepare_file
 
@@ -194,6 +195,7 @@ class Bot(BaseBot, DataMixin, ContextInstanceMixin):
         result = await self.request(api.Methods.LOG_OUT, payload)
         return result
 
+    @deprecated("This method will be renamed to `close` in aiogram v3.0")
     async def close_bot(self) -> base.Boolean:
         """
         Use this method to close the bot instance before moving it from one local