diff --git a/examples/water-leak-detector-app/water-leak-detector-common/water-leak-detector-app.matter b/examples/water-leak-detector-app/water-leak-detector-common/water-leak-detector-app.matter
index b01d083abbac61..f2cc365f2b6b0a 100644
--- a/examples/water-leak-detector-app/water-leak-detector-common/water-leak-detector-app.matter
+++ b/examples/water-leak-detector-app/water-leak-detector-common/water-leak-detector-app.matter
@@ -938,6 +938,7 @@ cluster GeneralCommissioning = 48 {
   provisional readonly attribute access(read: administer) optional int16u TCMinRequiredVersion = 6;
   provisional readonly attribute access(read: administer) optional bitmap16 TCAcknowledgements = 7;
   provisional readonly attribute access(read: administer) optional boolean TCAcknowledgementsRequired = 8;
+  provisional readonly attribute access(read: administer) optional int32u TCUpdateDeadline = 9;
   readonly attribute command_id generatedCommandList[] = 65528;
   readonly attribute command_id acceptedCommandList[] = 65529;
   readonly attribute event_id eventList[] = 65530;