diff --git a/x-pack/plugins/alerts/server/saved_objects/migrations.ts b/x-pack/plugins/alerts/server/saved_objects/migrations.ts
index 142102dd711c7..79413aff907c4 100644
--- a/x-pack/plugins/alerts/server/saved_objects/migrations.ts
+++ b/x-pack/plugins/alerts/server/saved_objects/migrations.ts
@@ -28,6 +28,7 @@ function changeAlertingConsumer(
 ): SavedObjectMigrationFn<RawAlert, RawAlert> {
   const consumerMigration = new Map<string, string>();
   consumerMigration.set('alerting', 'alerts');
+  consumerMigration.set('metrics', 'infrastructure');
 
   return encryptedSavedObjects.createMigration<RawAlert, RawAlert>(
     function shouldBeMigrated(doc): doc is SavedObjectUnsanitizedDoc<RawAlert> {
diff --git a/x-pack/test/alerting_api_integration/spaces_only/tests/alerting/migrations.ts b/x-pack/test/alerting_api_integration/spaces_only/tests/alerting/migrations.ts
index fc61f59d129d7..e2c9879790fec 100644
--- a/x-pack/test/alerting_api_integration/spaces_only/tests/alerting/migrations.ts
+++ b/x-pack/test/alerting_api_integration/spaces_only/tests/alerting/migrations.ts
@@ -30,5 +30,14 @@ export default function createGetTests({ getService }: FtrProviderContext) {
       expect(response.status).to.eql(200);
       expect(response.body.consumer).to.equal('alerts');
     });
+
+    it('7.9.0 migrates the `metrics` consumer to be the `infrastructure`', async () => {
+      const response = await supertest.get(
+        `${getUrlPrefix(``)}/api/alerts/alert/74f3e6d7-b7bb-477d-ac28-fdf248d5f2a4`
+      );
+
+      expect(response.status).to.eql(200);
+      expect(response.body.consumer).to.equal('infrastructure');
+    });
   });
 }
diff --git a/x-pack/test/functional/es_archives/alerts/data.json b/x-pack/test/functional/es_archives/alerts/data.json
index 3703473606ea2..cc246b0fe44da 100644
--- a/x-pack/test/functional/es_archives/alerts/data.json
+++ b/x-pack/test/functional/es_archives/alerts/data.json
@@ -38,4 +38,46 @@
       "updated_at": "2020-06-17T15:35:39.839Z"
     }
   }
+}
+
+{
+  "type": "doc",
+  "value": {
+    "id": "alert:74f3e6d7-b7bb-477d-ac28-fdf248d5f2a4",
+    "index": ".kibana_1",
+    "source": {
+      "alert": {
+        "actions": [
+        ],
+        "alertTypeId": "example.always-firing",
+        "apiKey": "XHcE1hfSJJCvu2oJrKErgbIbR7iu3XAX+c1kki8jESzWZNyBlD4+6yHhCDEx7rNLlP/Hvbut/V8N1BaQkaSpVpiNsW/UxshiCouqJ+cmQ9LbaYnca9eTTVUuPhbHwwsDjfYkakDPqW3gB8sonwZl6rpzZVacfp4=",
+        "apiKeyOwner": "elastic",
+        "consumer": "metrics",
+        "createdAt": "2020-06-17T15:35:38.497Z",
+        "createdBy": "elastic",
+        "enabled": true,
+        "muteAll": false,
+        "mutedInstanceIds": [
+        ],
+        "name": "always-firing-alert",
+        "params": {
+        },
+        "schedule": {
+          "interval": "1m"
+        },
+        "scheduledTaskId": "329798f0-b0b0-11ea-9510-fdf248d5f2a4",
+        "tags": [
+        ],
+        "throttle": null,
+        "updatedBy": "elastic"
+      },
+      "migrationVersion": {
+        "alert": "7.8.0"
+      },
+      "references": [
+      ],
+      "type": "alert",
+      "updated_at": "2020-06-17T15:35:39.839Z"
+    }
+  }
 }
\ No newline at end of file