diff --git a/node/constants.js b/node/constants.js
index 98808168c..3ec594460 100644
--- a/node/constants.js
+++ b/node/constants.js
@@ -56,6 +56,7 @@ module.exports = {
   DC_EVENT_SMTP_CONNECTED: 101,
   DC_EVENT_SMTP_MESSAGE_SENT: 103,
   DC_EVENT_WARNING: 300,
+  DC_EVENT_WEBXDC_INSTANCE_DELETED: 2121,
   DC_EVENT_WEBXDC_STATUS_UPDATE: 2120,
   DC_GCL_ADD_ALLDONE_HINT: 4,
   DC_GCL_ADD_SELF: 2,
diff --git a/node/events.js b/node/events.js
index 5a04bc916..58d13f531 100644
--- a/node/events.js
+++ b/node/events.js
@@ -30,5 +30,6 @@ module.exports = {
   2061: 'DC_EVENT_SECUREJOIN_JOINER_PROGRESS',
   2100: 'DC_EVENT_CONNECTIVITY_CHANGED',
   2110: 'DC_EVENT_SELFAVATAR_CHANGED',
-  2120: 'DC_EVENT_WEBXDC_STATUS_UPDATE'
+  2120: 'DC_EVENT_WEBXDC_STATUS_UPDATE',
+  2121: 'DC_EVENT_WEBXDC_INSTANCE_DELETED'
 }
diff --git a/node/lib/constants.ts b/node/lib/constants.ts
index 3dbc60048..1fa423d85 100644
--- a/node/lib/constants.ts
+++ b/node/lib/constants.ts
@@ -56,6 +56,7 @@ export enum C {
   DC_EVENT_SMTP_CONNECTED = 101,
   DC_EVENT_SMTP_MESSAGE_SENT = 103,
   DC_EVENT_WARNING = 300,
+  DC_EVENT_WEBXDC_INSTANCE_DELETED = 2121,
   DC_EVENT_WEBXDC_STATUS_UPDATE = 2120,
   DC_GCL_ADD_ALLDONE_HINT = 4,
   DC_GCL_ADD_SELF = 2,
@@ -297,4 +298,5 @@ export const EventId2EventName: { [key: number]: string } = {
   2100: 'DC_EVENT_CONNECTIVITY_CHANGED',
   2110: 'DC_EVENT_SELFAVATAR_CHANGED',
   2120: 'DC_EVENT_WEBXDC_STATUS_UPDATE',
+  2121: 'DC_EVENT_WEBXDC_INSTANCE_DELETED',
 }