diff --git a/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_fetch_ecs_alerts_data.ts b/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_fetch_ecs_alerts_data.ts
index 8af47812849248..b082d90fc14889 100644
--- a/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_fetch_ecs_alerts_data.ts
+++ b/x-pack/plugins/security_solution/public/detections/containers/detection_engine/alerts/use_fetch_ecs_alerts_data.ts
@@ -5,7 +5,7 @@
  * 2.0.
  */
 import { useEffect, useState } from 'react';
-import { SearchResponse } from 'elasticsearch';
+import type { estypes } from '@elastic/elasticsearch';
 import { isEmpty } from 'lodash';
 
 import {
@@ -37,7 +37,7 @@ export const useFetchEcsAlertsData = ({
       try {
         setIsLoading(true);
         const alertResponse = await KibanaServices.get().http.fetch<
-          SearchResponse<{ '@timestamp': string; [key: string]: unknown }>
+          estypes.SearchResponse<{ '@timestamp': string; [key: string]: unknown }>
         >(DETECTION_ENGINE_QUERY_SIGNALS_URL, {
           method: 'POST',
           body: JSON.stringify(buildAlertsQuery(alertIds ?? [])),
@@ -45,10 +45,10 @@ export const useFetchEcsAlertsData = ({
 
         setAlertEcsData(
           alertResponse?.hits.hits.reduce<Ecs[]>(
-            (acc, { _id, _index, _source }) => [
+            (acc, { _id, _index, _source = {} }) => [
               ...acc,
               {
-                ...formatAlertToEcsSignal(_source as {}),
+                ...formatAlertToEcsSignal(_source),
                 _id,
                 _index,
                 timestamp: _source['@timestamp'],
diff --git a/x-pack/plugins/timelines/public/container/use_update_alerts.ts b/x-pack/plugins/timelines/public/container/use_update_alerts.ts
index 7576c831554cd3..8e18281e788241 100644
--- a/x-pack/plugins/timelines/public/container/use_update_alerts.ts
+++ b/x-pack/plugins/timelines/public/container/use_update_alerts.ts
@@ -5,7 +5,8 @@
  * 2.0.
  */
 
-import { UpdateDocumentByQueryResponse } from 'elasticsearch';
+import type { estypes } from '@elastic/elasticsearch';
+
 import { useKibana } from '../../../../../src/plugins/kibana_react/public';
 import { AlertStatus } from '../../../timelines/common';
 
@@ -24,7 +25,7 @@ export const useUpdateAlertsStatus = (): {
   updateAlertStatus: (params: {
     query: object;
     status: AlertStatus;
-  }) => Promise<UpdateDocumentByQueryResponse>;
+  }) => Promise<estypes.UpdateByQueryResponse>;
 } => {
   const { http } = useKibana().services;