diff --git a/config/initializers/turnout.rb b/config/initializers/turnout.rb
index df4a6ca76..38d27da1a 100644
--- a/config/initializers/turnout.rb
+++ b/config/initializers/turnout.rb
@@ -1,4 +1,5 @@
 Turnout.configure do |config|
   config.default_maintenance_page = Turnout::MaintenancePage::JSON
+  config.default_allowed_paths = ['^/heartbeat']
   config.default_reason = "The site is temporarily down for maintenance. Please check https://status.datacite.org for more information."
 end
\ No newline at end of file