diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 50717e6ed8..24bda6f4db 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -44343,11 +44343,7 @@
               }
             },
             "required": [
-              "type",
-              "buffer_size",
-              "delimiter",
-              "reverse",
-              "skip"
+              "type"
             ]
           }
         ]
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 25bb3ac2b5..1a8faf8c4b 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -64245,7 +64245,7 @@
         },
         {
           "name": "buffer_size",
-          "required": true,
+          "required": false,
           "type": {
             "generics": [
               {
@@ -64265,7 +64265,7 @@
         },
         {
           "name": "delimiter",
-          "required": true,
+          "required": false,
           "type": {
             "kind": "instance_of",
             "type": {
@@ -64287,7 +64287,7 @@
         },
         {
           "name": "reverse",
-          "required": true,
+          "required": false,
           "type": {
             "generics": [
               {
@@ -64307,7 +64307,7 @@
         },
         {
           "name": "skip",
-          "required": true,
+          "required": false,
           "type": {
             "generics": [
               {
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index becb97449e..487c9294f8 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -4580,11 +4580,11 @@ export type AnalysisNormalizer = AnalysisLowercaseNormalizer | AnalysisCustomNor
 
 export interface AnalysisPathHierarchyTokenizer extends AnalysisTokenizerBase {
   type: 'path_hierarchy'
-  buffer_size: SpecUtilsStringified<integer>
-  delimiter: string
+  buffer_size?: SpecUtilsStringified<integer>
+  delimiter?: string
   replacement?: string
-  reverse: SpecUtilsStringified<boolean>
-  skip: SpecUtilsStringified<integer>
+  reverse?: SpecUtilsStringified<boolean>
+  skip?: SpecUtilsStringified<integer>
 }
 
 export interface AnalysisPatternAnalyzer {
diff --git a/specification/_types/analysis/tokenizers.ts b/specification/_types/analysis/tokenizers.ts
index 5dd7546606..9972039711 100644
--- a/specification/_types/analysis/tokenizers.ts
+++ b/specification/_types/analysis/tokenizers.ts
@@ -88,11 +88,11 @@ export class NoriTokenizer extends TokenizerBase {
 
 export class PathHierarchyTokenizer extends TokenizerBase {
   type: 'path_hierarchy'
-  buffer_size: Stringified<integer>
-  delimiter: string
+  buffer_size?: Stringified<integer>
+  delimiter?: string
   replacement?: string
-  reverse: Stringified<boolean>
-  skip: Stringified<integer>
+  reverse?: Stringified<boolean>
+  skip?: Stringified<integer>
 }
 
 export class PatternTokenizer extends TokenizerBase {