diff --git a/server/config.js b/server/config.js
index 28500359..f2028946 100644
--- a/server/config.js
+++ b/server/config.js
@@ -46,7 +46,7 @@ const conf = convict({
   },
   expire_times_seconds: {
     format: 'positive-int-array',
-    default: [300, 3600, 86400, 432000, 604800],
+    default: [300, 3600, 86400, 172800, 432000, 604800],
     env: 'EXPIRE_TIMES_SECONDS'
   },
   default_expire_seconds: {