diff --git a/run.py b/run.py
index 840f501..3a8202a 100755
--- a/run.py
+++ b/run.py
@@ -220,7 +220,7 @@ def check_for_update():
   if os.path.exists(FILE_UPDATE):
     mtime = os.path.getmtime(FILE_UPDATE)
     last = datetime.utcfromtimestamp(mtime).strftime('%Y-%m-%d')
-    today = datetime.utcnow().strftime('%Y-%m-%d')
+    today = datetime.now(tz=datetime.timezone.utc).strftime('%Y-%m-%d')
     if last == today:
       return
   try: