diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index fac648e6ab..b79b41c8ff 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -167,6 +167,9 @@
           {
             "$ref": "#/components/parameters/async_search.submit#wait_for_completion_timeout"
           },
+          {
+            "$ref": "#/components/parameters/async_search.submit#keep_alive"
+          },
           {
             "$ref": "#/components/parameters/async_search.submit#keep_on_completion"
           },
@@ -320,6 +323,9 @@
           {
             "$ref": "#/components/parameters/async_search.submit#wait_for_completion_timeout"
           },
+          {
+            "$ref": "#/components/parameters/async_search.submit#keep_alive"
+          },
           {
             "$ref": "#/components/parameters/async_search.submit#keep_on_completion"
           },
@@ -97133,6 +97139,16 @@
         },
         "style": "form"
       },
+      "async_search.submit#keep_alive": {
+        "in": "query",
+        "name": "keep_alive",
+        "description": "Specifies how long the async search needs to be available.\nOngoing async searches and any saved search results are deleted after this period.",
+        "deprecated": false,
+        "schema": {
+          "$ref": "#/components/schemas/_types:Duration"
+        },
+        "style": "form"
+      },
       "async_search.submit#keep_on_completion": {
         "in": "query",
         "name": "keep_on_completion",
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 1b4eec2f6b..9fdf8b32b3 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -167,6 +167,9 @@
           {
             "$ref": "#/components/parameters/async_search.submit#wait_for_completion_timeout"
           },
+          {
+            "$ref": "#/components/parameters/async_search.submit#keep_alive"
+          },
           {
             "$ref": "#/components/parameters/async_search.submit#keep_on_completion"
           },
@@ -320,6 +323,9 @@
           {
             "$ref": "#/components/parameters/async_search.submit#wait_for_completion_timeout"
           },
+          {
+            "$ref": "#/components/parameters/async_search.submit#keep_alive"
+          },
           {
             "$ref": "#/components/parameters/async_search.submit#keep_on_completion"
           },
@@ -57571,6 +57577,16 @@
         },
         "style": "form"
       },
+      "async_search.submit#keep_alive": {
+        "in": "query",
+        "name": "keep_alive",
+        "description": "Specifies how long the async search needs to be available.\nOngoing async searches and any saved search results are deleted after this period.",
+        "deprecated": false,
+        "schema": {
+          "$ref": "#/components/schemas/_types:Duration"
+        },
+        "style": "form"
+      },
       "async_search.submit#keep_on_completion": {
         "in": "query",
         "name": "keep_on_completion",
diff --git a/output/schema/schema-serverless.json b/output/schema/schema-serverless.json
index 2898b6b5f9..85253cd188 100644
--- a/output/schema/schema-serverless.json
+++ b/output/schema/schema-serverless.json
@@ -11101,6 +11101,19 @@
             }
           }
         },
+        {
+          "description": "Specifies how long the async search needs to be available.\nOngoing async searches and any saved search results are deleted after this period.",
+          "name": "keep_alive",
+          "required": false,
+          "serverDefault": "5d",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        },
         {
           "description": "If `true`, results are stored for later retrieval when the search completes within the `wait_for_completion_timeout`.",
           "name": "keep_on_completion",
@@ -11627,7 +11640,7 @@
           }
         }
       ],
-      "specLocation": "async_search/submit/AsyncSearchSubmitRequest.ts#L55-L280"
+      "specLocation": "async_search/submit/AsyncSearchSubmitRequest.ts#L55-L286"
     },
     {
       "body": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 0077b2243f..ca5fc295d9 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -89984,6 +89984,19 @@
             }
           }
         },
+        {
+          "description": "Specifies how long the async search needs to be available.\nOngoing async searches and any saved search results are deleted after this period.",
+          "name": "keep_alive",
+          "required": false,
+          "serverDefault": "5d",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        },
         {
           "description": "If `true`, results are stored for later retrieval when the search completes within the `wait_for_completion_timeout`.",
           "name": "keep_on_completion",
@@ -90510,7 +90523,7 @@
           }
         }
       ],
-      "specLocation": "async_search/submit/AsyncSearchSubmitRequest.ts#L55-L280"
+      "specLocation": "async_search/submit/AsyncSearchSubmitRequest.ts#L55-L286"
     },
     {
       "kind": "response",
diff --git a/output/schema/validation-errors.json b/output/schema/validation-errors.json
index 46036b7733..c3252a1343 100644
--- a/output/schema/validation-errors.json
+++ b/output/schema/validation-errors.json
@@ -38,6 +38,7 @@
     },
     "async_search.submit": {
       "request": [
+        "Request: query parameter 'keep_alive' does not exist in the json spec",
         "Request: query parameter 'min_compatible_shard_node' does not exist in the json spec",
         "interface definition _types:QueryVectorBuilder - Property text_embedding is a single-variant and must be required"
       ],
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 81d272a2a1..335d146847 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -6757,6 +6757,7 @@ export interface AsyncSearchStatusStatusResponseBase extends AsyncSearchAsyncSea
 export interface AsyncSearchSubmitRequest extends RequestBase {
   index?: Indices
   wait_for_completion_timeout?: Duration
+  keep_alive?: Duration
   keep_on_completion?: boolean
   allow_no_indices?: boolean
   allow_partial_search_results?: boolean
diff --git a/specification/async_search/submit/AsyncSearchSubmitRequest.ts b/specification/async_search/submit/AsyncSearchSubmitRequest.ts
index ad6f95179a..a26ae50af1 100644
--- a/specification/async_search/submit/AsyncSearchSubmitRequest.ts
+++ b/specification/async_search/submit/AsyncSearchSubmitRequest.ts
@@ -68,7 +68,7 @@ import { Duration } from '@_types/Time'
  * @doc_tag search
  */
 // NOTE: this is a SearchRequest with:
-//  * 2 added parameters: wait_for_completion_timeout, keep_on_completion
+//  * 2 added parameters: wait_for_completion_timeout, keep_on_completion and keep_alive
 //  * 2 removed parameters: scroll, pre_filter_shard_size
 export interface Request extends RequestBase {
   path_parts: {
@@ -81,6 +81,12 @@ export interface Request extends RequestBase {
      * @server_default 1s
      */
     wait_for_completion_timeout?: Duration
+    /**
+     * Specifies how long the async search needs to be available.
+     * Ongoing async searches and any saved search results are deleted after this period.
+     * @server_default 5d
+     */
+    keep_alive?: Duration
     /**
      * If `true`, results are stored for later retrieval when the search completes within the `wait_for_completion_timeout`.
      * @server_default false