diff --git a/main.py b/main.py
index e696a7b..f000b82 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,6 @@
 import asyncio
 from datetime import datetime, timedelta
-from typing import TypedDict
+from typing import TypedDict, Union
 import functools
 import logging
 import os
@@ -71,7 +71,7 @@ class WeatherApiResponse(TypedDict):
 
 
 class PollenLocation(TypedDict):
-    periods: list[dict[str, str | int | float]]
+    periods: list[dict[str, Union[str, int, float]]]
 
 
 class PollenApiResponse(TypedDict):