diff --git a/.gitignore b/.gitignore
index dae15019d..1648c1cf9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,7 @@ modoboa_test
 bin/instance
 .coverage
 ./build/
+build/
 dist/
 modoboa/frontend_dist
 # JS stuff
diff --git a/doc-ng/installation/upgrade.md b/doc-ng/installation/upgrade.md
index 190cc63b0..c16bd45b4 100644
--- a/doc-ng/installation/upgrade.md
+++ b/doc-ng/installation/upgrade.md
@@ -131,6 +131,25 @@ If you need to rebuild you virtualenv, you can check this [part of the documenta
 
 The section below containt specific migration steps to upgrade Modoboa instance.
 
+## Version 2.7.1
+
+### Required changes to `settings.py`
+
+* Add new permissions to Swagger/Spectacular (prevent HTTP 401 error)
+
+```python
+SPECTACULAR_SETTINGS = {
+    'SCHEMA_PATH_PREFIX': r'/api/v[0-9]',
+    'TITLE': 'Modoboa API',
+    'VERSION': None,
+    'SERVE_AUTHENTICATION': [], # [!code --]
+    'SERVE_AUTHENTICATION': ['rest_framework.permissions.AllowAny'], # [!code ++]
+    'DEFAULT_FILTER_INSPECTORS': [
+        'drf_spectacular.contrib.django_filters.DjangoFilterBackendInspector',
+    ],
+}
+```
+
 ## Version 2.7.0
 
 ### Required changes to `settings.py`
diff --git a/modoboa/core/commands/templates/settings.py.tpl b/modoboa/core/commands/templates/settings.py.tpl
index 08f27a40b..9b174f9a4 100644
--- a/modoboa/core/commands/templates/settings.py.tpl
+++ b/modoboa/core/commands/templates/settings.py.tpl
@@ -254,7 +254,7 @@ SPECTACULAR_SETTINGS = {
     'SCHEMA_PATH_PREFIX': r'/api/v[0-9]',
     'TITLE': 'Modoboa API',
     'VERSION': None,
-    'SERVE_AUTHENTICATION': [],
+    'SERVE_AUTHENTICATION': ['rest_framework.permissions.AllowAny'],
     'DEFAULT_FILTER_INSPECTORS': [
         'drf_spectacular.contrib.django_filters.DjangoFilterBackendInspector',
     ],