diff --git a/specification/ilm/put_lifecycle/PutLifecycleRequest.ts b/specification/ilm/put_lifecycle/PutLifecycleRequest.ts
index c36a3bebb8..3247d4921c 100644
--- a/specification/ilm/put_lifecycle/PutLifecycleRequest.ts
+++ b/specification/ilm/put_lifecycle/PutLifecycleRequest.ts
@@ -35,7 +35,7 @@ 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 3ffce4f1f7..66b651271e 100644
--- a/specification/indices/_types/IndexSettings.ts
+++ b/specification/indices/_types/IndexSettings.ts
@@ -275,7 +275,7 @@ 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.