diff --git a/scripts/expire_accounts.py b/scripts/expire_accounts.py
index 27584fb78a73..5943a2789d75 100644
--- a/scripts/expire_accounts.py
+++ b/scripts/expire_accounts.py
@@ -1,4 +1,4 @@
-from datetime import datetime
+from datetime import datetime, timezone, UTC
 
 import web
 
@@ -6,7 +6,9 @@
 def delete_old_links():
     for doc in web.ctx.site.store.values(type="account-link"):
         expiry_date = datetime.strptime(doc["expires_on"], "%Y-%m-%dT%H:%M:%S.%f")
-        now = datetime.utcnow()
+        # Make expiry_date timezone aware
+        expiry_date = expiry_date.replace(tzinfo=timezone.utc)
+        now = datetime.now(UTC)
         key = doc["_key"]
         if expiry_date > now:
             print("Deleting link %s" % (key))