diff --git a/tests/app/main/views/test_service_settings.py b/tests/app/main/views/test_service_settings.py
index e836c1d69..93e53348e 100644
--- a/tests/app/main/views/test_service_settings.py
+++ b/tests/app/main/views/test_service_settings.py
@@ -3799,7 +3799,7 @@ def test_unknown_channel_404s(
     ),
     (
         'letter',
-        'It costs between 35p and £1.16 to send a letter using Notify.',
+        'It costs between 39p and £1.21 to send a letter using Notify.',
         'Send letters',
         ['email', 'sms', 'letter'],
         'True',