diff --git a/output/schema/schema.json b/output/schema/schema.json
index 930979dea9..9fcc8fe344 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -94724,7 +94724,7 @@
           "codegenName": "name",
           "description": "Identifier for the policy.",
           "name": "policy",
-          "required": false,
+          "required": true,
           "type": {
             "kind": "instance_of",
             "type": {
@@ -96768,7 +96768,7 @@
         {
           "description": "The name of the policy to use to manage the index. For information about how Elasticsearch applies policy changes, see Policy updates.",
           "name": "name",
-          "required": true,
+          "required": false,
           "type": {
             "kind": "instance_of",
             "type": {
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index a3fd5ea70a..92ddde6b55 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -9009,7 +9009,7 @@ export interface IlmMoveToStepStepKey {
 }
 
 export interface IlmPutLifecycleRequest extends RequestBase {
-  name?: Name
+  name: Name
   master_timeout?: Time
   timeout?: Time
   body?: {
@@ -9203,7 +9203,7 @@ export interface IndicesIndexSettingsAnalysis {
 }
 
 export interface IndicesIndexSettingsLifecycle {
-  name: Name
+  name?: Name
   indexing_complete?: boolean
   origination_date?: long
   parse_origination_date?: boolean
diff --git a/specification/ilm/put_lifecycle/PutLifecycleRequest.ts b/specification/ilm/put_lifecycle/PutLifecycleRequest.ts
index a18b9d3129..b29341d99c 100644
--- a/specification/ilm/put_lifecycle/PutLifecycleRequest.ts
+++ b/specification/ilm/put_lifecycle/PutLifecycleRequest.ts
@@ -36,7 +36,7 @@ export interface Request extends RequestBase {
      * Identifier for the policy.
      * @codegen_name name
      */
-    policy?: Name
+    policy: Name
   }
   query_parameters: {
     /**
diff --git a/specification/indices/_types/IndexSettings.ts b/specification/indices/_types/IndexSettings.ts
index ec10e55eb7..b1ef726916 100644
--- a/specification/indices/_types/IndexSettings.ts
+++ b/specification/indices/_types/IndexSettings.ts
@@ -401,7 +401,7 @@ export class IndexSettingsLifecycle {
   /**
    * The name of the policy to use to manage the index. For information about how Elasticsearch applies policy changes, see Policy updates.
    */
-  name: Name
+  name?: Name
   /**
    * Indicates whether or not the index has been rolled over. Automatically set to true when ILM completes the rollover action.
    * You can explicitly set it to skip rollover.