diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index 10dfb6dcbc..dba252f84b 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -29066,6 +29066,16 @@
               "type": "boolean"
             },
             "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "max_concurrent_shard_requests",
+            "description": "Maximum number of concurrent shard requests that each sub-search request executes per node.",
+            "deprecated": false,
+            "schema": {
+              "type": "number"
+            },
+            "style": "form"
           }
         ],
         "requestBody": {
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 9c3cac079f..a77977a8dc 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -17264,6 +17264,16 @@
               "type": "boolean"
             },
             "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "max_concurrent_shard_requests",
+            "description": "Maximum number of concurrent shard requests that each sub-search request executes per node.",
+            "deprecated": false,
+            "schema": {
+              "type": "number"
+            },
+            "style": "form"
           }
         ],
         "requestBody": {
diff --git a/output/schema/schema-serverless.json b/output/schema/schema-serverless.json
index a3ba65bdc8..08f9d89b82 100644
--- a/output/schema/schema-serverless.json
+++ b/output/schema/schema-serverless.json
@@ -40039,9 +40039,22 @@
               "namespace": "_builtins"
             }
           }
+        },
+        {
+          "description": "Maximum number of concurrent shard requests that each sub-search request executes per node.",
+          "name": "max_concurrent_shard_requests",
+          "required": false,
+          "serverDefault": 5,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "integer",
+              "namespace": "_types"
+            }
+          }
         }
       ],
-      "specLocation": "_global/open_point_in_time/OpenPointInTimeRequest.ts#L25-L121"
+      "specLocation": "_global/open_point_in_time/OpenPointInTimeRequest.ts#L26-L127"
     },
     {
       "body": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index a4d1eac18f..6e0d656f38 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -32592,9 +32592,22 @@
               "namespace": "_builtins"
             }
           }
+        },
+        {
+          "description": "Maximum number of concurrent shard requests that each sub-search request executes per node.",
+          "name": "max_concurrent_shard_requests",
+          "required": false,
+          "serverDefault": 5,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "integer",
+              "namespace": "_types"
+            }
+          }
         }
       ],
-      "specLocation": "_global/open_point_in_time/OpenPointInTimeRequest.ts#L25-L121"
+      "specLocation": "_global/open_point_in_time/OpenPointInTimeRequest.ts#L26-L127"
     },
     {
       "kind": "response",
diff --git a/output/schema/validation-errors.json b/output/schema/validation-errors.json
index d5752786eb..2658f8bc04 100644
--- a/output/schema/validation-errors.json
+++ b/output/schema/validation-errors.json
@@ -81,6 +81,12 @@
       ],
       "response": []
     },
+    "open_point_in_time": {
+      "request": [
+        "Request: query parameter 'max_concurrent_shard_requests' does not exist in the json spec"
+      ],
+      "response": []
+    },
     "reindex": {
       "request": [
         "Request: query parameter 'require_alias' does not exist in the json spec",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 57eae5fb1f..7249f02724 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -884,6 +884,7 @@ export interface OpenPointInTimeRequest extends RequestBase {
   routing?: Routing
   expand_wildcards?: ExpandWildcards
   allow_partial_search_results?: boolean
+  max_concurrent_shard_requests?: integer
   body?: {
     index_filter?: QueryDslQueryContainer
   }
diff --git a/specification/_global/open_point_in_time/OpenPointInTimeRequest.ts b/specification/_global/open_point_in_time/OpenPointInTimeRequest.ts
index 0384ab2ab9..1a8b42c4d2 100644
--- a/specification/_global/open_point_in_time/OpenPointInTimeRequest.ts
+++ b/specification/_global/open_point_in_time/OpenPointInTimeRequest.ts
@@ -19,6 +19,7 @@
 
 import { RequestBase } from '@_types/Base'
 import { ExpandWildcards, Indices, Routing } from '@_types/common'
+import { integer } from '@_types/Numeric'
 import { QueryContainer } from '@_types/query_dsl/abstractions'
 import { Duration } from '@_types/Time'
 
@@ -111,6 +112,11 @@ export interface Request extends RequestBase {
      * @server_default false
      */
     allow_partial_search_results?: boolean
+    /**
+     * Maximum number of concurrent shard requests that each sub-search request executes per node.
+     * @server_default 5
+     */
+    max_concurrent_shard_requests?: integer
   }
   body: {
     /**