diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index c2c4f5500b..6bbe83ea05 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -89885,10 +89885,11 @@
             }
           },
           "extended": {
-            "type": "object",
-            "additionalProperties": {
-              "$ref": "#/components/schemas/cluster.stats.ExtendedSearchUsage"
-            }
+            "allOf": [
+              {
+                "$ref": "#/components/schemas/cluster.stats.ExtendedSearchUsage"
+              }
+            ]
           }
         },
         "required": [
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 4ce6deba14..9b3f4d1798 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -131108,21 +131108,10 @@
           "name": "extended",
           "required": true,
           "type": {
-            "kind": "dictionary_of",
-            "key": {
-              "kind": "instance_of",
-              "type": {
-                "name": "Name",
-                "namespace": "_types"
-              }
-            },
-            "singleKey": false,
-            "value": {
-              "kind": "instance_of",
-              "type": {
-                "name": "ExtendedSearchUsage",
-                "namespace": "cluster.stats"
-              }
+            "kind": "instance_of",
+            "type": {
+              "name": "ExtendedSearchUsage",
+              "namespace": "cluster.stats"
             }
           }
         }
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 4d84479dd5..ebdd22b104 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -10246,7 +10246,7 @@ export interface ClusterStatsSearchUsageStats {
   rescorers: Record<Name, long>
   sections: Record<Name, long>
   retrievers: Record<Name, long>
-  extended: Record<Name, ClusterStatsExtendedSearchUsage>
+  extended: ClusterStatsExtendedSearchUsage
 }
 
 export type ClusterStatsShardState = 'INIT' | 'SUCCESS' | 'FAILED' | 'ABORTED' | 'MISSING' | 'WAITING' | 'QUEUED' | 'PAUSED_FOR_NODE_REMOVAL'
diff --git a/specification/cluster/stats/types.ts b/specification/cluster/stats/types.ts
index daac97b9d6..55fecd82bd 100644
--- a/specification/cluster/stats/types.ts
+++ b/specification/cluster/stats/types.ts
@@ -153,7 +153,7 @@ export class SearchUsageStats {
   sections: Dictionary<Name, long>
   retrievers: Dictionary<Name, long>
   /* @availability stack since=9.2.0 */
-  extended: Dictionary<Name, ExtendedSearchUsage>
+  extended: ExtendedSearchUsage
 }
 
 export class ExtendedSearchUsage {