diff --git a/output/schema/schema.json b/output/schema/schema.json
index e964109a02..7e16779108 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -47774,9 +47774,21 @@
               "namespace": "_types"
             }
           }
+        },
+        {
+          "description": "Apply oversampling and rescoring to quantized vectors",
+          "name": "rescore_vector",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "RescoreVector",
+              "namespace": "_types"
+            }
+          }
         }
       ],
-      "specLocation": "_types/Knn.ts#L54-L72"
+      "specLocation": "_types/Knn.ts#L61-L81"
     },
     {
       "kind": "interface",
@@ -47862,9 +47874,21 @@
               "namespace": "_types"
             }
           }
+        },
+        {
+          "description": "Apply oversampling and rescoring to quantized vectors",
+          "name": "rescore_vector",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "RescoreVector",
+              "namespace": "_types"
+            }
+          }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L64-L77"
+      "specLocation": "_types/Retriever.ts#L64-L79"
     },
     {
       "kind": "interface",
@@ -47997,9 +48021,21 @@
               "namespace": "_global.search._types"
             }
           }
+        },
+        {
+          "description": "Apply oversampling and rescoring to quantized vectors",
+          "name": "rescore_vector",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "RescoreVector",
+              "namespace": "_types"
+            }
+          }
         }
       ],
-      "specLocation": "_types/Knn.ts#L30-L52"
+      "specLocation": "_types/Knn.ts#L35-L59"
     },
     {
       "kind": "interface",
@@ -49313,7 +49349,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L74-L77",
+      "specLocation": "_types/Knn.ts#L83-L86",
       "variants": {
         "kind": "container"
       }
@@ -49371,7 +49407,7 @@
           }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L79-L86"
+      "specLocation": "_types/Retriever.ts#L81-L88"
     },
     {
       "kind": "interface",
@@ -49705,6 +49741,28 @@
       ],
       "specLocation": "_types/Stats.ts#L247-L253"
     },
+    {
+      "kind": "interface",
+      "name": {
+        "name": "RescoreVector",
+        "namespace": "_types"
+      },
+      "properties": [
+        {
+          "description": "Applies the specified oversample factor to k on the approximate kNN search",
+          "name": "oversample",
+          "required": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "float",
+              "namespace": "_types"
+            }
+          }
+        }
+      ],
+      "specLocation": "_types/Knn.ts#L30-L33"
+    },
     {
       "kind": "enum",
       "members": [
@@ -50003,7 +50061,7 @@
           }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L101-L110"
+      "specLocation": "_types/Retriever.ts#L103-L112"
     },
     {
       "kind": "type_alias",
@@ -51899,7 +51957,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L79-L82"
+      "specLocation": "_types/Knn.ts#L88-L91"
     },
     {
       "kind": "interface",
@@ -51975,7 +52033,7 @@
           }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L88-L99"
+      "specLocation": "_types/Retriever.ts#L90-L101"
     },
     {
       "kind": "enum",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index fb5d902c3c..fbb7f81362 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -2500,6 +2500,7 @@ export interface KnnQuery extends QueryDslQueryBase {
   k?: integer
   filter?: QueryDslQueryContainer | QueryDslQueryContainer[]
   similarity?: float
+  rescore_vector?: RescoreVector
 }
 
 export interface KnnRetriever extends RetrieverBase {
@@ -2509,6 +2510,7 @@ export interface KnnRetriever extends RetrieverBase {
   k: integer
   num_candidates: integer
   similarity?: float
+  rescore_vector?: RescoreVector
 }
 
 export interface KnnSearch {
@@ -2521,6 +2523,7 @@ export interface KnnSearch {
   filter?: QueryDslQueryContainer | QueryDslQueryContainer[]
   similarity?: float
   inner_hits?: SearchInnerHits
+  rescore_vector?: RescoreVector
 }
 
 export interface LatLonGeoLocation {
@@ -2701,6 +2704,10 @@ export interface RequestCacheStats {
   miss_count: long
 }
 
+export interface RescoreVector {
+  oversample: float
+}
+
 export type Result = 'created' | 'updated' | 'deleted' | 'not_found' | 'noop'
 
 export interface Retries {
diff --git a/specification/_types/Knn.ts b/specification/_types/Knn.ts
index 0735fb45bd..a2bc539889 100644
--- a/specification/_types/Knn.ts
+++ b/specification/_types/Knn.ts
@@ -27,6 +27,11 @@ export type QueryVector = float[]
 /* KnnSearch (used in kNN search) and KnnQuery (ued in kNN queries) are close
  * but different enough to require different classes */
 
+export interface RescoreVector {
+  /** Applies the specified oversample factor to k on the approximate kNN search */
+  oversample: float
+}
+
 export interface KnnSearch {
   /** The name of the vector field to search against */
   field: Field
@@ -49,6 +54,8 @@ export interface KnnSearch {
    * @doc_id knn-inner-hits
    */
   inner_hits?: InnerHits
+  /** Apply oversampling and rescoring to quantized vectors */
+  rescore_vector?: RescoreVector
 }
 
 /**
@@ -69,6 +76,8 @@ export interface KnnQuery extends QueryBase {
   filter?: QueryContainer | QueryContainer[]
   /** The minimum similarity for a vector to be considered a match */
   similarity?: float
+  /** Apply oversampling and rescoring to quantized vectors */
+  rescore_vector?: RescoreVector
 }
 
 /** @variants container */
diff --git a/specification/_types/Retriever.ts b/specification/_types/Retriever.ts
index 636f9413fb..73bf634231 100644
--- a/specification/_types/Retriever.ts
+++ b/specification/_types/Retriever.ts
@@ -19,7 +19,7 @@
 
 import { FieldCollapse } from '@global/search/_types/FieldCollapse'
 import { UserDefinedValue } from '@spec_utils/UserDefinedValue'
-import { QueryVector, QueryVectorBuilder } from '@_types/Knn'
+import { QueryVector, QueryVectorBuilder, RescoreVector } from '@_types/Knn'
 import { float, integer } from '@_types/Numeric'
 import { Sort, SortResults } from '@_types/sort'
 import { Id } from './common'
@@ -74,6 +74,8 @@ export class KnnRetriever extends RetrieverBase {
   num_candidates: integer
   /** The minimum similarity required for a document to be considered a match.  */
   similarity?: float
+  /** Apply oversampling and rescoring to quantized vectors */
+  rescore_vector?: RescoreVector
 }
 
 export class RRFRetriever extends RetrieverBase {