diff --git a/output/schema/schema.json b/output/schema/schema.json
index f484d6f31a..b59c1a2df6 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -42770,9 +42770,21 @@
             ],
             "kind": "union_of"
           }
+        },
+        {
+          "description": "The minimum similarity for a vector to be considered a match",
+          "name": "similarity",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "float",
+              "namespace": "_types"
+            }
+          }
         }
       ],
-      "specLocation": "_types/Knn.ts#L26-L41"
+      "specLocation": "_types/Knn.ts#L26-L43"
     },
     {
       "kind": "interface",
@@ -44115,7 +44127,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L43-L46",
+      "specLocation": "_types/Knn.ts#L45-L48",
       "variants": {
         "kind": "container"
       }
@@ -46306,7 +46318,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L48-L51"
+      "specLocation": "_types/Knn.ts#L50-L53"
     },
     {
       "kind": "enum",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index a8a8d66348..a5525780fc 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -2339,6 +2339,7 @@ export interface KnnQuery {
   num_candidates: long
   boost?: float
   filter?: QueryDslQueryContainer | QueryDslQueryContainer[]
+  similarity?: float
 }
 
 export interface LatLonGeoLocation {
diff --git a/specification/_types/Knn.ts b/specification/_types/Knn.ts
index 2a3b4a9422..ea98cad0eb 100644
--- a/specification/_types/Knn.ts
+++ b/specification/_types/Knn.ts
@@ -38,6 +38,8 @@ export interface KnnQuery {
   boost?: float
   /** Filters for the kNN search query */
   filter?: QueryContainer | QueryContainer[]
+  /** The minimum similarity for a vector to be considered a match */
+  similarity?: float
 }
 
 /** @variants container */