diff --git a/schedule.py b/schedule.py
index c7173f5..220ba8e 100755
--- a/schedule.py
+++ b/schedule.py
@@ -7,7 +7,7 @@ import os
 import re
 import sys
 import typing
-from datetime import date, datetime, timedelta
+from datetime import date, datetime, timezone
 
 import ics  # type: ignore
 import jinja2
@@ -194,8 +194,7 @@ def main() -> None:
     with open(ics_file, "w") as fh:
         fh.write(cal.serialize())
 
-    now = datetime.utcnow()  # need to rewrite this, utcnow is deprecated
-    now_str = now.strftime("%Y-%m-%d_%H:%M")
+    now_str = datetime.now(timezone.utc).strftime("%Y-%m-%d_%H:%M")
     filename = os.path.join(data_dir, now_str + ".html")
     with open(filename, "w") as fh:
         fh.write(page)