diff --git a/migrations/202311251700.py b/migrations/202311251700.py
new file mode 100644
index 0000000..2ef2cd3
--- /dev/null
+++ b/migrations/202311251700.py
@@ -0,0 +1,9 @@
+from mongodb_migrations.base import BaseMigration
+
+
+class Migration(BaseMigration):
+    def upgrade(self):
+        self.db.users.update_many({}, {"$set": {"quota": None}})
+
+    def downgrade(self):
+        self.db.test_collection.update_many({}, {"$unset": "quota"})
diff --git a/modules/migrator.py b/modules/migrator.py
new file mode 100644
index 0000000..06def68
--- /dev/null
+++ b/modules/migrator.py
@@ -0,0 +1,23 @@
+from typing import Any, Mapping
+
+from mongodb_migrations.cli import MigrationManager
+from mongodb_migrations.config import Configuration
+
+from modules.utils import configGet
+
+
+def migrate_database() -> None:
+    """Apply migrations from folder `migrations/` to the database"""
+    db_config: Mapping[str, Any] = configGet("database")
+
+    manager_config = Configuration(
+        {
+            "mongo_host": db_config["host"],
+            "mongo_port": db_config["port"],
+            "mongo_database": db_config["name"],
+            "mongo_username": db_config["user"],
+            "mongo_password": db_config["password"],
+        }
+    )
+    manager = MigrationManager(manager_config)
+    manager.run()
diff --git a/photos_api.py b/photos_api.py
index 6d5a497..45dfcc5 100644
--- a/photos_api.py
+++ b/photos_api.py
@@ -1,4 +1,5 @@
 import logging
+from argparse import ArgumentParser
 from os import makedirs
 from pathlib import Path
 
@@ -6,6 +7,7 @@ from fastapi.responses import FileResponse
 
 from modules.app import app
 from modules.extensions_loader import dynamic_import_from_src
+from modules.migrator import migrate_database
 from modules.scheduler import scheduler
 
 makedirs(Path("data/users"), exist_ok=True)
@@ -27,3 +29,15 @@ dynamic_import_from_src("extensions", star_import=True)
 # =================================================================================
 
 scheduler.start()
+
+parser = ArgumentParser(
+    prog="PhotosAPI",
+    description="Small and simple API server for saving photos and videos.",
+)
+
+parser.add_argument("--migrate", action="store_true")
+
+args = parser.parse_args()
+
+if args.migrate:
+    migrate_database()
diff --git a/requirements.txt b/requirements.txt
index 7610f09..9e46266 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,7 @@ aiofiles==23.2.1
 apscheduler~=3.10.1
 exif==1.6.0
 fastapi[all]==0.104.1
+mongodb-migrations==1.3.0
 opencv-python~=4.8.1.78
 passlib~=1.7.4
 pymongo>=4.3.3