diff --git a/custom_components/bermuda/__init__.py b/custom_components/bermuda/__init__.py
index a5291a9..854980a 100644
--- a/custom_components/bermuda/__init__.py
+++ b/custom_components/bermuda/__init__.py
@@ -34,7 +34,7 @@
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 from homeassistant.util import slugify
 from homeassistant.util.dt import get_age
-from homeassistant.util.dt import monotonic_time_coarse
+from bluetooth_data_tools import monotonic_time_coarse
 from homeassistant.util.dt import now
 
 from .const import ADVERT_FRESHTIME