diff --git a/microsoft_outlook_single_tenant/__manifest__.py b/microsoft_outlook_single_tenant/__manifest__.py
index 9912c1e..a9df2a1 100644
--- a/microsoft_outlook_single_tenant/__manifest__.py
+++ b/microsoft_outlook_single_tenant/__manifest__.py
@@ -2,7 +2,7 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
 {
     "name": "Microsoft Outlook Single Tenant",
-    "version": "14.0.1.0.0",
+    "version": "15.0.1.0.0",
     "author": "Camptocamp, Odoo Community Association (OCA)",
     "license": "AGPL-3",
     "category": "Hidden",
diff --git a/microsoft_outlook_single_tenant/tests/test_fetchmail_outlook.py b/microsoft_outlook_single_tenant/tests/test_fetchmail_outlook.py
index cd216ae..7405fe6 100644
--- a/microsoft_outlook_single_tenant/tests/test_fetchmail_outlook.py
+++ b/microsoft_outlook_single_tenant/tests/test_fetchmail_outlook.py
@@ -1,10 +1,10 @@
 # Copyright 2022 Camptocamp SA
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
 
-from odoo.tests.common import SavepointCase
+from odoo.tests.common import TransactionCase
 
 
-class TestFetchMailServerMicrosoftOutlook(SavepointCase):
+class TestFetchMailServerMicrosoftOutlook(TransactionCase):
     def _create_mail_server(self):
         return self.env["fetchmail.server"].create(
             {