diff --git a/metropolis/proto/api/management.proto b/metropolis/proto/api/management.proto
index 5b66311..5560455 100644
--- a/metropolis/proto/api/management.proto
+++ b/metropolis/proto/api/management.proto
@@ -90,6 +90,8 @@
 
     // ca_certificate is the x509 DER encoded CA certificate of the cluster.
     bytes ca_certificate = 2;
+
+    metropolis.proto.common.ClusterConfiguration cluster_configuration = 3;
 }
 
 message GetNodesRequest {