diff --git a/server/migrations/20250820000001-create-initial-tables.js b/server/migrations/20250820000001-create-initial-tables.js
index ca09358..fdc402e 100644
--- a/server/migrations/20250820000001-create-initial-tables.js
+++ b/server/migrations/20250820000001-create-initial-tables.js
@@ -600,6 +600,11 @@ module.exports = {
         defaultValue: Sequelize.UUIDV4,
         primaryKey: true
       },
+      alert_event_id: {
+        type: Sequelize.UUID,
+        allowNull: true,
+        comment: 'Groups related alerts (SMS, email, webhook) that are part of the same detection event'
+      },
       alert_rule_id: {
         type: Sequelize.UUID,
         allowNull: true,