diff --git a/types/chromecast-caf-receiver/cast.framework.d.ts b/types/chromecast-caf-receiver/cast.framework.d.ts
index 13d2e52ce0..cee9113f81 100644
--- a/types/chromecast-caf-receiver/cast.framework.d.ts
+++ b/types/chromecast-caf-receiver/cast.framework.d.ts
@@ -536,6 +536,12 @@ export class CastReceiverOptions {
      */
     customNamespaces?: any;
 
+    /**
+     * If true, the receiver will not set an idle timeout to close receiver if there is no activity.
+     * Should only be used for non media apps.
+     */
+    disableIdleTimeout?: boolean;
+
     /**
      * Sender id used for local requests. Default value is 'local'.
      */