diff --git a/API/gimvicurnik/updaters/base.py b/API/gimvicurnik/updaters/base.py
index af99bf6..58d3320 100644
--- a/API/gimvicurnik/updaters/base.py
+++ b/API/gimvicurnik/updaters/base.py
@@ -178,7 +178,7 @@ def handle_document(self, document: DocumentInfo, span: Span) -> None:
         # == DOCUMENT PROCESSING
 
         # Get the modified time if it is set, otherwise use the current time
-        created = document.created or datetime.datetime.now(datetime.UTC)
+        created = document.created or datetime.datetime.now(datetime.timezone.utc)
         modified = document.modified or created
 
         # Check if the document has changed without downloading it and comparing hashes
diff --git a/API/gimvicurnik/updaters/timetable.py b/API/gimvicurnik/updaters/timetable.py
index 6419829..a8015cc 100644
--- a/API/gimvicurnik/updaters/timetable.py
+++ b/API/gimvicurnik/updaters/timetable.py
@@ -4,7 +4,7 @@
 import re
 import typing
 from collections import defaultdict
-from datetime import datetime, UTC
+from datetime import datetime, timezone
 from hashlib import sha256
 
 import requests
@@ -167,7 +167,7 @@ def _parse(self, document: Document | None, raw_data: str, new_hash: str, span:
             created = False
 
         document.type = DocumentType.TIMETABLE
-        document.modified = datetime.now(UTC)
+        document.modified = datetime.now(timezone.utc)
         document.url = self.config.url
         document.hash = new_hash
         self.session.add(document)