diff --git a/lib/services/clusterconfig.go b/lib/services/clusterconfig.go
index 80ccc6c3f09d5..56d6670af8f90 100644
--- a/lib/services/clusterconfig.go
+++ b/lib/services/clusterconfig.go
@@ -357,6 +357,12 @@ const ClusterConfigSpecSchemaTemplate = `{
     "cluster_id": {
       "type": "string"
     },
+    "client_idle_timeout": {
+      "type": "string"
+    },
+    "disconnect_expired_cert": {
+      "anyOf": [{"type": "string"}, { "type": "boolean"}]
+    },
     "audit": {
       "type": "object",
       "additionalProperties": false,