diff --git a/src/pybrake/middleware/starlette.py b/src/pybrake/middleware/starlette.py
index e37c77e..3ac12b8 100644
--- a/src/pybrake/middleware/starlette.py
+++ b/src/pybrake/middleware/starlette.py
@@ -5,7 +5,7 @@
 import types
 
 from starlette.applications import Starlette
-from starlette.exceptions import ExceptionMiddleware
+from starlette.middleware.exceptions import ExceptionMiddleware
 from starlette.responses import Response
 from starlette.routing import Match
 from starlette.types import Receive, Scope, Send
diff --git a/src/pybrake/utils.py b/src/pybrake/utils.py
index 983fbb1..f34cd4d 100644
--- a/src/pybrake/utils.py
+++ b/src/pybrake/utils.py
@@ -1,9 +1,9 @@
 import logging
-from datetime import datetime
+from datetime import datetime, UTC
 
 
 def time_trunc_minute(time):
-    t = datetime.utcfromtimestamp(time).replace(second=0, microsecond=0)
+    t = datetime.fromtimestamp(time, UTC).replace(second=0, microsecond=0)
     return t.strftime("%Y-%m-%dT%H:%M:%SZ")