diff --git a/aiogram/api/client/bot.py b/aiogram/api/client/bot.py
index 7e133640..06d1af05 100644
--- a/aiogram/api/client/bot.py
+++ b/aiogram/api/client/bot.py
@@ -1,6 +1,8 @@
 import datetime
 from typing import List, Optional, Union
 
+from async_lru import alru_cache
+
 from ..methods import (
     AddStickerToSet,
     AnswerCallbackQuery,
@@ -103,10 +105,9 @@ class Bot(BaseBot):
     Class where located all API methods
     """
 
+    @alru_cache()
     async def me(self) -> User:
-        if self not in self:
-            self[self] = await self.get_me()
-        return self[self]
+        return await self.get_me()
 
     # =============================================================================================
     # Group: Getting updates
diff --git a/poetry.lock b/poetry.lock
index ddde5df0..13935e33 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -50,6 +50,14 @@ version = "1.1.1"
 aiohttp = ">=3.1.0,<4.0.0"
 pytest-asyncio = "*"
 
+[[package]]
+category = "main"
+description = "Simple lru_cache for asyncio"
+name = "async-lru"
+optional = false
+python-versions = "*"
+version = "1.0.2"
+
 [[package]]
 category = "main"
 description = "Timeout context manager for asyncio programs"
@@ -778,7 +786,7 @@ more-itertools = "*"
 fast = ["uvloop"]
 
 [metadata]
-content-hash = "17ddf5163aca6e27a1a83c6f23cfde2f807a3e97ca366fe081666503f2a7b992"
+content-hash = "827efd3cbbd07f5795145b39a5f25e92619a62c48121f4fa142dafb93eaa89db"
 python-versions = "^3.7"
 
 [metadata.hashes]
@@ -787,6 +795,7 @@ aiohttp = ["1e984191d1ec186881ffaed4581092ba04f7c61582a177b187d3a2f07ed9719e", "
 appdirs = ["9e5896d1372858f8dd3344faf4e5014d21849c756c8d5701f78f8a103b372d92", "d8b24664561d0d34ddfaec54636d502d7cea6e29c3eaf68f3df6180863e2166e"]
 appnope = ["5b26757dc6f79a3b7dc9fab95359328d5747fcb2409d331ea66d0272b90ab2a0", "8b995ffe925347a2138d7ac0fe77155e4311a0ea6d6da4f5128fe4b3cbe5ed71"]
 aresponses = ["d1d6ef52b9a97142d106688cf9b112602ef3dc66f6368de8f91f47241d8cfc9c", "f62bcdd739612b6254dd552467b5897a81dcf785e4bb48463bf71e40df398580"]
+async-lru = ["baa898027619f5cc31b7966f96f00e4fc0df43ba206a8940a5d1af5336a477cb"]
 async-timeout = ["0c3c816a028d47f659d6ff5c745cb2acf1f966da1fe5c19c77a70282b25f4c5f", "4291ca197d287d274d0b6cb5d6f8f8f82d434ed288f962539ff18cc9012f9ea3"]
 asynctest = ["5da6118a7e6d6b54d83a8f7197769d046922a44d2a99c21382f0a6e4fadae676", "c27862842d15d83e6a34eb0b2866c323880eb3a75e4485b079ea11748fd77fac"]
 atomicwrites = ["03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4", "75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"]
diff --git a/pyproject.toml b/pyproject.toml
index a5e3bbe2..7d03c69b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,6 +27,7 @@ pydantic = "^1.1"
 Babel = "^2.7"
 aiofiles = "^0.4.0"
 uvloop = {version = "^0.14.0", optional = true}
+async_lru = "^1.0"
 
 [tool.poetry.dev-dependencies]
 uvloop = "^0.14.0"
diff --git a/tests/conftest.py b/tests/conftest.py
index beeb19a9..60d9d0fe 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -10,3 +10,4 @@ def bot():
     token = Bot.set_current(bot)
     yield bot
     Bot.reset_current(token)
+    bot.me.invalidate(bot)
diff --git a/tests/test_api/test_methods/test_get_me.py b/tests/test_api/test_methods/test_get_me.py
index 70856a03..bd1bb860 100644
--- a/tests/test_api/test_methods/test_get_me.py
+++ b/tests/test_api/test_methods/test_get_me.py
@@ -28,3 +28,28 @@ class TestGetMe:
         assert request.method == "getMe"
         assert request.data == {}
         assert response == prepare_result.result
+
+    @pytest.mark.asyncio
+    async def test_me_property(self, bot: MockedBot):
+        prepare_result = bot.add_result_for(
+            GetMe, ok=True, result=User(id=42, is_bot=False, first_name="User")
+        )
+
+        response: User = await bot.me()
+        request: Request = bot.get_request()
+
+        assert isinstance(response, User)
+        assert request.method == "getMe"
+        assert request.data == {}
+        assert response == prepare_result.result
+
+        response2: User = await bot.me()
+        assert response2 == response
+
+        response3: User = await bot.me()
+        assert response3 == response
+        assert response2 == response3
+
+        cache_info = bot.me.cache_info()
+        assert cache_info.hits == 2
+        assert cache_info.misses == 1
diff --git a/tests/test_dispatcher/test_filters/test_command.py b/tests/test_dispatcher/test_filters/test_command.py
index 5649be86..9ccabc4c 100644
--- a/tests/test_dispatcher/test_filters/test_command.py
+++ b/tests/test_dispatcher/test_filters/test_command.py
@@ -1,6 +1,109 @@
-from aiogram.dispatcher.filters import Command
+import datetime
+import re
+from typing import Match
+
+import pytest
+
+from aiogram.api.methods import GetMe
+from aiogram.api.types import User, Message, Chat
+from aiogram.dispatcher.filters import CommandObject, Command
+from tests.mocked_bot import MockedBot
 
 
 class TestCommandFilter:
-    def test_validator(self):
-        pass
+    @pytest.mark.asyncio
+    async def test_parse_command(self, bot: MockedBot):
+        # TODO: parametrize
+        # TODO: test ignore case
+        # TODO: test ignore mention
+
+        bot.add_result_for(
+            GetMe, ok=True, result=User(id=42, is_bot=True, first_name="The bot", username="tbot")
+        )
+        command = Command(commands=["test", re.compile(r"test(\d+)")], commands_prefix="/")
+
+        assert not await command.parse_command("!test", bot)
+        assert not await command.parse_command("/test@mention", bot)
+        assert await command.parse_command("/test@tbot", bot)
+        assert not await command.parse_command("/tests", bot)
+
+        result = await command.parse_command("/test@tbot some args", bot)
+        assert isinstance(result, dict)
+        assert "command" in result
+        assert isinstance(result["command"], CommandObject)
+        assert result["command"].command == "test"
+        assert result["command"].mention == "tbot"
+        assert result["command"].args == "some args"
+
+        result = await command.parse_command("/test42@tbot some args", bot)
+        assert isinstance(result, dict)
+        assert "command" in result
+        assert isinstance(result["command"], CommandObject)
+        assert result["command"].command == "test42"
+        assert result["command"].mention == "tbot"
+        assert result["command"].args == "some args"
+        assert isinstance(result["command"].match, Match)
+
+    @pytest.mark.asyncio
+    @pytest.mark.parametrize(
+        "message,result",
+        [
+            [
+                Message(
+                    message_id=42,
+                    date=datetime.datetime.now(),
+                    chat=Chat(id=42, type="private"),
+                    from_user=User(id=42, is_bot=False, first_name="Test"),
+                ),
+                False,
+            ],
+            [
+                Message(
+                    message_id=42,
+                    date=datetime.datetime.now(),
+                    text="/test",
+                    chat=Chat(id=42, type="private"),
+                    from_user=User(id=42, is_bot=False, first_name="Test"),
+                ),
+                True,
+            ],
+        ],
+    )
+    async def test_call(self, message: Message, result: bool, bot: MockedBot):
+        command = Command(commands=["test"])
+        assert bool(await command(message=message, bot=bot)) is result
+
+
+class TestCommandObject:
+    @pytest.mark.parametrize(
+        "obj,result",
+        [
+            [CommandObject(prefix="/", command="command", mention="mention", args="args"), True],
+            [CommandObject(prefix="/", command="command", args="args"), False],
+        ],
+    )
+    def test_mentioned(self, obj: CommandObject, result: bool):
+        assert isinstance(obj.mentioned, bool)
+        assert obj.mentioned is result
+
+    @pytest.mark.parametrize(
+        "obj,result",
+        [
+            [
+                CommandObject(prefix="/", command="command", mention="mention", args="args"),
+                "/command@mention args",
+            ],
+            [
+                CommandObject(prefix="/", command="command", mention="mention", args=None),
+                "/command@mention",
+            ],
+            [
+                CommandObject(prefix="/", command="command", mention=None, args="args"),
+                "/command args",
+            ],
+            [CommandObject(prefix="/", command="command", mention=None, args=None), "/command"],
+            [CommandObject(prefix="!", command="command", mention=None, args=None), "!command"],
+        ],
+    )
+    def test_text(self, obj: CommandObject, result: str):
+        assert obj.text == result
diff --git a/tests/test_dispatcher/test_handler/test_message.py b/tests/test_dispatcher/test_handler/test_message.py
index 4b9741cb..d4cc4818 100644
--- a/tests/test_dispatcher/test_handler/test_message.py
+++ b/tests/test_dispatcher/test_handler/test_message.py
@@ -40,7 +40,7 @@ class TestBaseMessageHandlerCommandMixin:
             Message(
                 message_id=42,
                 date=datetime.datetime.now(),
-                text="test",
+                text="/test args",
                 chat=Chat(id=42, type="private"),
                 from_user=User(id=42, is_bot=False, first_name="Test"),
             ),
@@ -49,3 +49,16 @@ class TestBaseMessageHandlerCommandMixin:
 
         assert isinstance(handler.command, CommandObject)
         assert handler.command.command == "command"
+
+    def test_command_not_presented(self):
+        handler = HandlerWithCommand(
+            Message(
+                message_id=42,
+                date=datetime.datetime.now(),
+                text="test",
+                chat=Chat(id=42, type="private"),
+                from_user=User(id=42, is_bot=False, first_name="Test"),
+            )
+        )
+
+        assert handler.command is None