diff --git a/siteroot/settings/base.py b/siteroot/settings/base.py
index 535c667..e59d42d 100644
--- a/siteroot/settings/base.py
+++ b/siteroot/settings/base.py
@@ -151,6 +151,9 @@ REST_FRAMEWORK = {
         'rest_framework.authentication.TokenAuthentication',
         'rest_framework.authentication.SessionAuthentication',
     ],
+    'DEFAULT_PERMISSION_CLASSES': [
+        'rest_framework.permissions.IsAuthenticated'
+    ],
     'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.LimitOffsetPagination',
     'PAGE_SIZE': 100
 }