diff --git a/lib/configuration.js b/lib/configuration.js
index 22cd848c6e054091b60194ac5bcfb2b64ba0d19c..4b150976df9609226c528a6e5d6bc788b78e48b4 100644
--- a/lib/configuration.js
+++ b/lib/configuration.js
@@ -83,7 +83,7 @@ g_configs.production = {
     create_schema: true
   },
   bcrypt_work_factor: 12,
-  authentication_duration_ms: (7 * 24 * 60 * 60 * 1000),
+  authentication_duration_ms: (2 * 7 * 24 * 60 * 60 * 1000),
   certificate_validity_ms: (24 * 60 * 60 * 1000),
   min_time_between_emails_ms: (60 * 1000)
 };