diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index 9a49dfc986..528df6e28e 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -43826,6 +43826,16 @@
               "$ref": "#/components/schemas/_types.Duration"
             },
             "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "wait_for_completion",
+            "description": "If `true`, the request returns a response when the matching snapshots are all deleted.\nIf `false`, the request returns a response as soon as the deletes are scheduled.",
+            "deprecated": false,
+            "schema": {
+              "type": "boolean"
+            },
+            "style": "form"
           }
         ],
         "responses": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 1d3063e6d3..052f213098 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -248742,9 +248742,22 @@
               "namespace": "_types"
             }
           }
+        },
+        {
+          "description": "If `true`, the request returns a response when the matching snapshots are all deleted.\nIf `false`, the request returns a response as soon as the deletes are scheduled.",
+          "name": "wait_for_completion",
+          "required": false,
+          "serverDefault": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
         }
       ],
-      "specLocation": "snapshot/delete/SnapshotDeleteRequest.ts#L24-L59"
+      "specLocation": "snapshot/delete/SnapshotDeleteRequest.ts#L24-L65"
     },
     {
       "kind": "response",
diff --git a/output/schema/validation-errors.json b/output/schema/validation-errors.json
index d73de1af59..8b23e32da6 100644
--- a/output/schema/validation-errors.json
+++ b/output/schema/validation-errors.json
@@ -67,12 +67,6 @@
       ],
       "response": []
     },
-    "snapshot.delete": {
-      "request": [
-        "Request: missing json spec query parameter 'wait_for_completion'"
-      ],
-      "response": []
-    },
     "snapshot.repository_analyze": {
       "request": [
         "Request: query parameter 'register_operation_count' does not exist in the json spec"
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 40d4f90b40..3f140b8a85 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -21239,6 +21239,7 @@ export interface SnapshotDeleteRequest extends RequestBase {
   repository: Name
   snapshot: Name
   master_timeout?: Duration
+  wait_for_completion?: boolean
 }
 
 export type SnapshotDeleteResponse = AcknowledgedResponseBase
diff --git a/specification/snapshot/delete/SnapshotDeleteRequest.ts b/specification/snapshot/delete/SnapshotDeleteRequest.ts
index 40d06c928a..299dbf6fae 100644
--- a/specification/snapshot/delete/SnapshotDeleteRequest.ts
+++ b/specification/snapshot/delete/SnapshotDeleteRequest.ts
@@ -55,5 +55,11 @@ export interface Request extends RequestBase {
      * @server_default 30s
      */
     master_timeout?: Duration
+    /**
+     * If `true`, the request returns a response when the matching snapshots are all deleted.
+     * If `false`, the request returns a response as soon as the deletes are scheduled.
+     * @server_default true
+     */
+    wait_for_completion?: boolean
   }
 }