diff --git a/src/lib/addons/feature-event-formatter-md.ts b/src/lib/addons/feature-event-formatter-md.ts
index 6647984a21..9b6b9c9251 100644
--- a/src/lib/addons/feature-event-formatter-md.ts
+++ b/src/lib/addons/feature-event-formatter-md.ts
@@ -59,6 +59,7 @@ import {
     CHANGE_REQUEST_SCHEDULED_APPLICATION_SUCCESS,
     CHANGE_REQUEST_SCHEDULED_APPLICATION_FAILURE,
     CHANGE_REQUEST_SCHEDULE_SUSPENDED,
+    FEATURE_COMPLETED,
 } from '../types';
 
 interface IEventData {
@@ -200,6 +201,10 @@ const EVENT_MAP: Record<string, IEventData> = {
         action: '*{{user}}* updated *{{feature}}* metadata in project *{{project}}*',
         path: '/projects/{{event.project}}/features/{{event.featureName}}',
     },
+    [FEATURE_COMPLETED]: {
+        action: '*{{feature}}* was marked as completed in project *{{project}}*',
+        path: '/projects/{{event.project}}/features/{{event.featureName}}',
+    },
     [FEATURE_POTENTIALLY_STALE_ON]: {
         action: '*{{feature}}* was marked as potentially stale in project *{{project}}*',
         path: '/projects/{{event.project}}/features/{{event.featureName}}',
diff --git a/src/lib/addons/webhook-definition.ts b/src/lib/addons/webhook-definition.ts
index b125b8083b..408821ea6a 100644
--- a/src/lib/addons/webhook-definition.ts
+++ b/src/lib/addons/webhook-definition.ts
@@ -29,6 +29,7 @@ import {
     CHANGE_REQUEST_SCHEDULED_APPLICATION_FAILURE,
     CHANGE_REQUEST_SCHEDULED,
     CHANGE_REQUEST_SCHEDULE_SUSPENDED,
+    FEATURE_COMPLETED,
 } from '../types/events';
 import type { IAddonDefinition } from '../types/model';
 
@@ -103,6 +104,7 @@ const webhookDefinition: IAddonDefinition = {
         FEATURE_REVIVED,
         FEATURE_STALE_ON,
         FEATURE_STALE_OFF,
+        FEATURE_COMPLETED,
         FEATURE_ENVIRONMENT_ENABLED,
         FEATURE_ENVIRONMENT_DISABLED,
         FEATURE_STRATEGY_REMOVE,
diff --git a/website/docs/reference/integrations/webhook.md b/website/docs/reference/integrations/webhook.md
index 1c566a963f..c69dd9aa1a 100644
--- a/website/docs/reference/integrations/webhook.md
+++ b/website/docs/reference/integrations/webhook.md
@@ -26,6 +26,7 @@ You can choose to trigger updates for the following events (we might add more ev
 - feature-strategy-remove
 - feature-stale-on
 - feature-stale-off
+- feature-completed
 - feature-environment-enabled
 - feature-environment-disabled
 - feature-variants-updated