diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index cb0a9a3..8186ff5 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -6,6 +6,7 @@
       enabled: true
       version: ${_param:ceilometer_version}
       secret: ${_param:ceilometer_secret_key}
+      ttl: 86400
       publisher:
         default:
       bind: