diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index fe9b6e7eea..5f0e4ffac9 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -15555,11 +15555,10 @@
                   },
                   "downsampling": {
                     "description": "The downsampling configuration to execute for the managed backing index after rollover.",
-                    "allOf": [
-                      {
-                        "$ref": "#/components/schemas/indices._types.DataStreamLifecycleDownsampling"
-                      }
-                    ]
+                    "type": "array",
+                    "items": {
+                      "$ref": "#/components/schemas/indices._types.DownsamplingRound"
+                    }
                   },
                   "enabled": {
                     "description": "If defined, it turns data stream lifecycle on/off (`true`/`false`) for this data stream. A data stream lifecycle\nthat's disabled (enabled: `false`) will have no effect on the data stream.",
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index a51b7d6e55..a8d2399506 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -8613,11 +8613,10 @@
                   },
                   "downsampling": {
                     "description": "The downsampling configuration to execute for the managed backing index after rollover.",
-                    "allOf": [
-                      {
-                        "$ref": "#/components/schemas/indices._types.DataStreamLifecycleDownsampling"
-                      }
-                    ]
+                    "type": "array",
+                    "items": {
+                      "$ref": "#/components/schemas/indices._types.DownsamplingRound"
+                    }
                   },
                   "enabled": {
                     "description": "If defined, it turns data stream lifecycle on/off (`true`/`false`) for this data stream. A data stream lifecycle\nthat's disabled (enabled: `false`) will have no effect on the data stream.",
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 198245b480..10d2899f60 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -157557,10 +157557,13 @@
             "name": "downsampling",
             "required": false,
             "type": {
-              "kind": "instance_of",
-              "type": {
-                "name": "DataStreamLifecycleDownsampling",
-                "namespace": "indices._types"
+              "kind": "array_of",
+              "value": {
+                "kind": "instance_of",
+                "type": {
+                  "name": "DownsamplingRound",
+                  "namespace": "indices._types"
+                }
               }
             }
           },
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 143f0583f1..15f264c43d 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -12904,7 +12904,7 @@ export interface IndicesPutDataLifecycleRequest extends RequestBase {
   timeout?: Duration
   body?: {
     data_retention?: Duration
-    downsampling?: IndicesDataStreamLifecycleDownsampling
+    downsampling?: IndicesDownsamplingRound[]
     enabled?: boolean
   }
 }
diff --git a/specification/indices/put_data_lifecycle/IndicesPutDataLifecycleRequest.ts b/specification/indices/put_data_lifecycle/IndicesPutDataLifecycleRequest.ts
index 0fb80b6c41..32570f3ec2 100644
--- a/specification/indices/put_data_lifecycle/IndicesPutDataLifecycleRequest.ts
+++ b/specification/indices/put_data_lifecycle/IndicesPutDataLifecycleRequest.ts
@@ -20,7 +20,7 @@
 import { RequestBase } from '@_types/Base'
 import { DataStreamNames, ExpandWildcards } from '@_types/common'
 import { Duration } from '@_types/Time'
-import { DataStreamLifecycleDownsampling } from '@indices/_types/DataStreamLifecycleDownsampling'
+import { DownsamplingRound } from '@indices/_types/DownsamplingRound'
 
 /**
  * Update data stream lifecycles.
@@ -82,7 +82,7 @@ export interface Request extends RequestBase {
     /**
      * The downsampling configuration to execute for the managed backing index after rollover.
      */
-    downsampling?: DataStreamLifecycleDownsampling
+    downsampling?: DownsamplingRound[]
     /**
      * If defined, it turns data stream lifecycle on/off (`true`/`false`) for this data stream. A data stream lifecycle
      * that's disabled (enabled: `false`) will have no effect on the data stream.