diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index 4d9b7c4d0e..b2ac01c381 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -70267,6 +70267,9 @@
           "name": {
             "$ref": "#/components/schemas/_types:Name"
           },
+          "roles": {
+            "$ref": "#/components/schemas/_types:NodeRoles"
+          },
           "attributes": {
             "type": "object",
             "additionalProperties": {
@@ -70283,11 +70286,38 @@
         "required": [
           "id",
           "name",
+          "roles",
           "attributes",
           "transport_address",
           "weight_ranking"
         ]
       },
+      "_types:NodeRoles": {
+        "description": "* @doc_id node-roles",
+        "type": "array",
+        "items": {
+          "$ref": "#/components/schemas/_types:NodeRole"
+        }
+      },
+      "_types:NodeRole": {
+        "type": "string",
+        "enum": [
+          "master",
+          "data",
+          "data_cold",
+          "data_content",
+          "data_frozen",
+          "data_hot",
+          "data_warm",
+          "client",
+          "ingest",
+          "ml",
+          "voting_only",
+          "transform",
+          "remote_cluster_client",
+          "coordinating_only"
+        ]
+      },
       "_types:TransportAddress": {
         "type": "string"
       },
@@ -70315,6 +70345,9 @@
           "node_name": {
             "$ref": "#/components/schemas/_types:Name"
           },
+          "roles": {
+            "$ref": "#/components/schemas/_types:NodeRoles"
+          },
           "store": {
             "$ref": "#/components/schemas/cluster.allocation_explain:AllocationStore"
           },
@@ -70331,6 +70364,7 @@
           "node_decision",
           "node_id",
           "node_name",
+          "roles",
           "transport_address",
           "weight_ranking"
         ]
@@ -94719,32 +94753,6 @@
           "refresh_interval_in_millis"
         ]
       },
-      "_types:NodeRoles": {
-        "description": "* @doc_id node-roles",
-        "type": "array",
-        "items": {
-          "$ref": "#/components/schemas/_types:NodeRole"
-        }
-      },
-      "_types:NodeRole": {
-        "type": "string",
-        "enum": [
-          "master",
-          "data",
-          "data_cold",
-          "data_content",
-          "data_frozen",
-          "data_hot",
-          "data_warm",
-          "client",
-          "ingest",
-          "ml",
-          "voting_only",
-          "transform",
-          "remote_cluster_client",
-          "coordinating_only"
-        ]
-      },
       "nodes.info:NodeInfoSettings": {
         "type": "object",
         "properties": {
diff --git a/output/schema/schema-serverless.json b/output/schema/schema-serverless.json
index f1df4f49f7..18d56d754f 100644
--- a/output/schema/schema-serverless.json
+++ b/output/schema/schema-serverless.json
@@ -90416,7 +90416,7 @@
         "name": "AllocationExplainDecision",
         "namespace": "cluster.allocation_explain"
       },
-      "specLocation": "cluster/allocation_explain/types.ts#L32-L37"
+      "specLocation": "cluster/allocation_explain/types.ts#L33-L38"
     },
     {
       "kind": "enum",
@@ -90450,7 +90450,7 @@
         "name": "Decision",
         "namespace": "cluster.allocation_explain"
       },
-      "specLocation": "cluster/allocation_explain/types.ts#L86-L95"
+      "specLocation": "cluster/allocation_explain/types.ts#L92-L101"
     },
     {
       "kind": "enum",
@@ -90505,7 +90505,7 @@
         "name": "UnassignedInformationReason",
         "namespace": "cluster.allocation_explain"
       },
-      "specLocation": "cluster/allocation_explain/types.ts#L127-L146"
+      "specLocation": "cluster/allocation_explain/types.ts#L138-L157"
     },
     {
       "kind": "type_alias",
diff --git a/output/schema/schema.json b/output/schema/schema.json
index ed3b4f523c..781a64b48c 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -103148,7 +103148,7 @@
           }
         }
       ],
-      "specLocation": "cluster/allocation_explain/types.ts#L26-L30"
+      "specLocation": "cluster/allocation_explain/types.ts#L27-L31"
     },
     {
       "kind": "enum",
@@ -103170,7 +103170,7 @@
         "name": "AllocationExplainDecision",
         "namespace": "cluster.allocation_explain"
       },
-      "specLocation": "cluster/allocation_explain/types.ts#L32-L37"
+      "specLocation": "cluster/allocation_explain/types.ts#L33-L38"
     },
     {
       "kind": "interface",
@@ -103246,7 +103246,7 @@
           }
         }
       ],
-      "specLocation": "cluster/allocation_explain/types.ts#L39-L46"
+      "specLocation": "cluster/allocation_explain/types.ts#L40-L47"
     },
     {
       "kind": "interface",
@@ -103358,7 +103358,7 @@
           }
         }
       ],
-      "specLocation": "cluster/allocation_explain/types.ts#L48-L54"
+      "specLocation": "cluster/allocation_explain/types.ts#L49-L55"
     },
     {
       "kind": "interface",
@@ -103389,6 +103389,24 @@
             }
           }
         },
+        {
+          "availability": {
+            "serverless": {},
+            "stack": {
+              "since": "8.11.0",
+              "stability": "stable"
+            }
+          },
+          "name": "roles",
+          "required": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "NodeRoles",
+              "namespace": "_types"
+            }
+          }
+        },
         {
           "name": "attributes",
           "required": true,
@@ -103434,7 +103452,7 @@
           }
         }
       ],
-      "specLocation": "cluster/allocation_explain/types.ts#L78-L84"
+      "specLocation": "cluster/allocation_explain/types.ts#L79-L90"
     },
     {
       "kind": "enum",
@@ -103468,7 +103486,7 @@
         "name": "Decision",
         "namespace": "cluster.allocation_explain"
       },
-      "specLocation": "cluster/allocation_explain/types.ts#L86-L95"
+      "specLocation": "cluster/allocation_explain/types.ts#L92-L101"
     },
     {
       "kind": "interface",
@@ -103544,7 +103562,7 @@
           }
         }
       ],
-      "specLocation": "cluster/allocation_explain/types.ts#L62-L69"
+      "specLocation": "cluster/allocation_explain/types.ts#L63-L70"
     },
     {
       "kind": "interface",
@@ -103622,6 +103640,24 @@
             }
           }
         },
+        {
+          "availability": {
+            "serverless": {},
+            "stack": {
+              "since": "8.11.0",
+              "stability": "stable"
+            }
+          },
+          "name": "roles",
+          "required": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "NodeRoles",
+              "namespace": "_types"
+            }
+          }
+        },
         {
           "name": "store",
           "required": false,
@@ -103656,7 +103692,7 @@
           }
         }
       ],
-      "specLocation": "cluster/allocation_explain/types.ts#L97-L106"
+      "specLocation": "cluster/allocation_explain/types.ts#L103-L117"
     },
     {
       "kind": "interface",
@@ -103699,7 +103735,7 @@
           }
         }
       ],
-      "specLocation": "cluster/allocation_explain/types.ts#L56-L60"
+      "specLocation": "cluster/allocation_explain/types.ts#L57-L61"
     },
     {
       "kind": "request",
@@ -103856,7 +103892,7 @@
           }
         }
       ],
-      "specLocation": "cluster/allocation_explain/types.ts#L71-L76"
+      "specLocation": "cluster/allocation_explain/types.ts#L72-L77"
     },
     {
       "kind": "response",
@@ -104273,7 +104309,7 @@
           }
         }
       ],
-      "specLocation": "cluster/allocation_explain/types.ts#L117-L125"
+      "specLocation": "cluster/allocation_explain/types.ts#L128-L136"
     },
     {
       "kind": "enum",
@@ -104328,7 +104364,7 @@
         "name": "UnassignedInformationReason",
         "namespace": "cluster.allocation_explain"
       },
-      "specLocation": "cluster/allocation_explain/types.ts#L127-L146"
+      "specLocation": "cluster/allocation_explain/types.ts#L138-L157"
     },
     {
       "kind": "request",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 02aac32cdf..0504cb7c33 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -8872,6 +8872,7 @@ export interface ClusterAllocationExplainClusterInfo {
 export interface ClusterAllocationExplainCurrentNode {
   id: Id
   name: Name
+  roles: NodeRoles
   attributes: Record<string, string>
   transport_address: TransportAddress
   weight_ranking: integer
@@ -8894,6 +8895,7 @@ export interface ClusterAllocationExplainNodeAllocationExplanation {
   node_decision: ClusterAllocationExplainDecision
   node_id: Id
   node_name: Name
+  roles: NodeRoles
   store?: ClusterAllocationExplainAllocationStore
   transport_address: TransportAddress
   weight_ranking: integer
diff --git a/specification/cluster/allocation_explain/types.ts b/specification/cluster/allocation_explain/types.ts
index fd8ad8aca6..02a090e1c3 100644
--- a/specification/cluster/allocation_explain/types.ts
+++ b/specification/cluster/allocation_explain/types.ts
@@ -20,6 +20,7 @@
 import { Dictionary } from '@spec_utils/Dictionary'
 import { Id, Name } from '@_types/common'
 import { TransportAddress } from '@_types/Networking'
+import { NodeRoles } from '@_types/Node'
 import { double, integer, long } from '@_types/Numeric'
 import { DateTime } from '@_types/Time'
 
@@ -78,6 +79,11 @@ export class ReservedSize {
 export class CurrentNode {
   id: Id
   name: Name
+  /**
+   * @availability stack since=8.11.0 stability=stable
+   * @availability serverless
+   */
+  roles: NodeRoles
   attributes: Dictionary<string, string>
   transport_address: TransportAddress
   weight_ranking: integer
@@ -100,6 +106,11 @@ export class NodeAllocationExplanation {
   node_decision: Decision
   node_id: Id
   node_name: Name
+  /**
+   * @availability stack since=8.11.0 stability=stable
+   * @availability serverless
+   */
+  roles: NodeRoles
   store?: AllocationStore
   transport_address: TransportAddress
   weight_ranking: integer