diff --git a/app/main.py b/app/main.py
index 81fe0a4..27497ac 100644
--- a/app/main.py
+++ b/app/main.py
@@ -16,6 +16,7 @@ from app.controllers import (
 from app.services.auth import create_first_user, token_router
 from app.services.database import create_db_and_tables, get_db_session
 from app.services.door import DoorController, init_controller
+from app.services.caldav import CaldavEventCache
 from app.services.scanner import BackgroundScanner
 from app.services.settings import settings
 
@@ -23,6 +24,12 @@ logger = logging.getLogger(__name__)
 
 oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
 scanner = BackgroundScanner(db=get_db_session())
+caldav_handler = CaldavEventCache(
+        url=settings.caldav_url,
+        username=settings.caldav_user,
+        password=settings.caldav_password,
+        calendarNames=settings.caldav_calendars
+    )
 logging.basicConfig(level=logging.INFO)
 
 
@@ -40,6 +47,9 @@ async def lifespan(app: FastAPI):
     if not settings.disable_cards:
         scanner.start()
 
+    if not settings.disable_caldav:
+        caldav_handler.start()
+
     logger.info("-" * 63)
     logger.info("---- Documentation is at http://127.0.0.1:8000/api/v1/docs ----")
     logger.info("-" * 63)