diff --git a/cas.routing.yml b/cas.routing.yml
index d7e8b51..95fc9fd 100644
--- a/cas.routing.yml
+++ b/cas.routing.yml
@@ -11,21 +11,29 @@ cas.login:
     _controller: '\Drupal\cas\Controller\ForceLoginController::forceLogin'
   requirements:
     _access: 'TRUE'
+  options:
+    _maintenance_access: TRUE
 cas.service:
   path: '/casservice'
   defaults:
     _controller: '\Drupal\cas\Controller\ServiceController::handle'
   requirements:
     _access: 'TRUE'
+  options:
+    _maintenance_access: TRUE
 cas.proxyCallback:
     path: '/casproxycallback'
     defaults:
       _controller: '\Drupal\cas\Controller\ProxyCallbackController::callback'
     requirements:
         _access: 'TRUE'
+    options:
+      _maintenance_access: TRUE
 cas.logout:
   path: '/caslogout'
   defaults:
     _controller: '\Drupal\cas\Controller\LogoutController::logout'
   requirements:
     _access: 'TRUE'
+  options:
+    _maintenance_access: TRUE