diff --git a/tests/test_fsm/storage/test_mongo.py b/tests/test_fsm/storage/test_mongo.py
new file mode 100644
index 00000000..ca009a8f
--- /dev/null
+++ b/tests/test_fsm/storage/test_mongo.py
@@ -0,0 +1,74 @@
+import pytest
+
+try:
+    from motor.motor_asyncio import AsyncIOMotorClient
+except ImportError:
+    raise ModuleNotFoundError(
+        "You do not have the `motor` module installed to work with MongoDB. Install it with `pip install motor`"
+    )
+
+from aiogram.fsm.state import State
+from aiogram.fsm.storage.base import StorageKey
+from aiogram.fsm.storage.mongo import MongoStorage
+from aiogram.fsm.storage.mongo import AIOGRAM_DATABASE_NAME
+
+
+MONGO_TEST_URI: str = "mongodb+srv://bot:25sFG3vj7H2T4j5R@mongostorage-aiogram-te.pugxfxq.mongodb.net/?retryWrites=true&w=majority"
+TEST_DATABASE_NAME: str = AIOGRAM_DATABASE_NAME
+
+
+@pytest.fixture
+async def mongo_storage():
+    client = AsyncIOMotorClient(MONGO_TEST_URI)
+    yield MongoStorage(client, database_name=TEST_DATABASE_NAME)
+    client.close()
+
+
+class TestMongoStorage:
+    @pytest.mark.asyncio
+    async def test_set_and_get_state(self, mongo_storage):
+        chat_id = 123
+        user_id = 456
+        bot_id = 789
+        key = StorageKey(chat_id=chat_id, user_id=user_id, bot_id=bot_id)
+
+        # Set state
+        await mongo_storage.set_state(key, State("some_state"))
+
+        # Get state
+        result = await mongo_storage.get_state(key)
+
+        assert result == State("some_state")
+
+    @pytest.mark.asyncio
+    async def test_set_and_get_data(self, mongo_storage):
+        chat_id = 123
+        user_id = 456
+        bot_id = 789
+        key = StorageKey(chat_id=chat_id, user_id=user_id, bot_id=bot_id)
+
+        # Set data
+        await mongo_storage.set_data(key, {"key1": "value1", "key2": "value2"})
+
+        # Get data
+        result = await mongo_storage.get_data(key)
+
+        assert result == {"key1": "value1", "key2": "value2"}
+
+    @pytest.mark.asyncio
+    async def test_update_data(self, mongo_storage):
+        chat_id = 123
+        user_id = 456
+        bot_id = 789
+        key = StorageKey(chat_id=chat_id, user_id=user_id, bot_id=bot_id)
+
+        # Set initial data
+        await mongo_storage.set_data(key, {"key1": "value1"})
+
+        # Update data
+        await mongo_storage.update_data(key, {"key2": "value2"})
+
+        # Get updated data
+        result = await mongo_storage.get_data(key)
+
+        assert result == {"key1": "value1", "key2": "value2"}