diff --git a/tests/app/main/views/test_dashboard.py b/tests/app/main/views/test_dashboard.py
index e69751cfc..de47ffde5 100644
--- a/tests/app/main/views/test_dashboard.py
+++ b/tests/app/main/views/test_dashboard.py
@@ -1022,8 +1022,8 @@ def test_usage_page(
     assert 'March' in table
     assert '£28.99' in table
     assert '140 free text messages' in table
-    assert '£20.30' in table
-    assert '1,230 text messages at 1.65p' in table
+    assert '£20.91' in table
+    assert '1,230 text messages at 1.70p' in table
 
 
 @freeze_time("2012-03-31 12:12:12")
@@ -1064,8 +1064,8 @@ def test_usage_page_with_letters(
     assert 'March' in table
     assert '£28.99' in table
     assert '140 free text messages' in table
-    assert '£20.30' in table
-    assert '1,230 text messages at 1.65p' in table
+    assert '£20.91' in table
+    assert '1,230 text messages at 1.70p' in table
     assert '10 second class letters at 31p' in normalize_spaces(table)
     assert '5 first class letters at 33p' in normalize_spaces(table)
     assert '10 international letters at 84p' in normalize_spaces(table)
diff --git a/tests/conftest.py b/tests/conftest.py
index 84bebc261..f5e397870 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2334,56 +2334,56 @@ def mock_get_billable_units(mocker):
             {
                 'month': 'April',
                 'notification_type': 'sms',
-                'rate': 0.0165,
+                'rate': 0.017,
                 'billing_units': 249500,
                 'postage': 'none',
             },
             {
                 'month': 'April',
                 'notification_type': 'sms',
-                'rate': 0.0165,
+                'rate': 0.017,
                 'billing_units': 100,
                 'postage': 'none',
             },
             {
                 'month': 'April',
                 'notification_type': 'sms',
-                'rate': 0.0165,
+                'rate': 0.017,
                 'billing_units': 200,
                 'postage': 'none',
             },
             {
                 'month': 'April',
                 'notification_type': 'sms',
-                'rate': 0.0165,
+                'rate': 0.017,
                 'billing_units': 60,
                 'postage': 'none',
             },
             {
                 'month': 'March',
                 'notification_type': 'sms',
-                'rate': 0.0165,
+                'rate': 0.017,
                 'billing_units': 1000,
                 'postage': 'none',
             },
             {
                 'month': 'March',
                 'notification_type': 'sms',
-                'rate': 0.0165,
+                'rate': 0.017,
                 'billing_units': 100,
                 'postage': 'none',
             },
             {
                 'month': 'March',
                 'notification_type': 'sms',
-                'rate': 0.0165,
+                'rate': 0.017,
                 'billing_units': 100,
                 'postage': 'none',
             },
             {
                 'month': 'March',
                 'notification_type': 'sms',
-                'rate': 0.0165,
+                'rate': 0.017,
                 'billing_units': 30,
                 'postage': 'none',
             },