diff --git a/nats-base-client/types.ts b/nats-base-client/types.ts
index 2334c170..17e8ea28 100644
--- a/nats-base-client/types.ts
+++ b/nats-base-client/types.ts
@@ -510,6 +510,7 @@ export interface StreamConfig {
   mirror?: StreamSource; // same as a source
   sources?: StreamSource[];
   "max_msgs_per_subject"?: number;
+  description?: string;
 }
 
 export interface StreamSource {