diff --git a/main.py b/main.py
index 8c347f2..63c0d09 100644
--- a/main.py
+++ b/main.py
@@ -1,26 +1,27 @@
 import base64
 import locale
 import os
-from collections import OrderedDict
 
+from collections import OrderedDict
 from datetime import date, datetime, timedelta, timezone
-from typing import NamedTuple, List
+from typing import List, NamedTuple
+
 
 import aiohttp
 import babel.dates
 import recurring_ical_events
 
-from icalendar import Calendar, vText
-
 from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.requests import Request
+from fastapi.responses import Response
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
 from fastapi_cache import FastAPICache
 from fastapi_cache.backends.inmemory import InMemoryBackend
 from fastapi_cache.decorator import cache
-from fastapi.staticfiles import StaticFiles
-from fastapi.templating import Jinja2Templates
-from fastapi.requests import Request
-from fastapi.middleware.cors import CORSMiddleware
-from fastapi.responses import Response
+from icalendar import Calendar, vText
+
 
 app = FastAPI()
 
diff --git a/pyproject.toml b/pyproject.toml
index 5ff277a..4677ff4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,7 @@ recurring-ical-events = "^1.0.1-beta.0"
 
 [tool.poetry.dev-dependencies]
 black = "^22.1.0"
+isort = "^5.10.1"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]
@@ -24,3 +25,10 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.black]
 line-length = 120
+
+[tool.isort]
+profile = "black"
+line_length = 120
+lines_between_types = 1
+lines_after_imports = 2
+lines_between_sections = 2