diff --git a/output/schema/schema.json b/output/schema/schema.json
index b2a818a458..b8b0e44ce2 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -38855,7 +38855,7 @@
         "name": "AggregateOrder",
         "namespace": "_types.aggregations"
       },
-      "specLocation": "_types/aggregations/bucket.ts#L369-L371",
+      "specLocation": "_types/aggregations/bucket.ts#L370-L372",
       "type": {
         "items": [
           {
@@ -39835,7 +39835,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L267-L271"
+      "specLocation": "_types/aggregations/bucket.ts#L268-L272"
     },
     {
       "kind": "interface",
@@ -40716,7 +40716,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L291-L294"
+      "specLocation": "_types/aggregations/bucket.ts#L292-L295"
     },
     {
       "attachedBehaviors": [
@@ -43063,7 +43063,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L296-L298"
+      "specLocation": "_types/aggregations/bucket.ts#L297-L299"
     },
     {
       "kind": "interface",
@@ -45061,9 +45061,20 @@
               "namespace": "_types"
             }
           }
+        },
+        {
+          "name": "missing",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Missing",
+              "namespace": "_types.aggregations"
+            }
+          }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L247-L249"
+      "specLocation": "_types/aggregations/bucket.ts#L247-L250"
     },
     {
       "inherits": {
@@ -45282,7 +45293,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L300-L303"
+      "specLocation": "_types/aggregations/bucket.ts#L301-L304"
     },
     {
       "attachedBehaviors": [
@@ -45328,7 +45339,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L251-L253"
+      "specLocation": "_types/aggregations/bucket.ts#L252-L254"
     },
     {
       "inherits": {
@@ -45430,7 +45441,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L255-L257"
+      "specLocation": "_types/aggregations/bucket.ts#L256-L258"
     },
     {
       "kind": "interface",
@@ -45439,7 +45450,7 @@
         "namespace": "_types.aggregations"
       },
       "properties": [],
-      "specLocation": "_types/aggregations/bucket.ts#L305-L305"
+      "specLocation": "_types/aggregations/bucket.ts#L306-L306"
     },
     {
       "inherits": {
@@ -45832,7 +45843,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L259-L265"
+      "specLocation": "_types/aggregations/bucket.ts#L260-L266"
     },
     {
       "attachedBehaviors": [
@@ -46000,7 +46011,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L273-L281"
+      "specLocation": "_types/aggregations/bucket.ts#L274-L282"
     },
     {
       "inherits": {
@@ -46174,7 +46185,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L283-L285"
+      "specLocation": "_types/aggregations/bucket.ts#L284-L286"
     },
     {
       "attachedBehaviors": [
@@ -46220,7 +46231,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L287-L289"
+      "specLocation": "_types/aggregations/bucket.ts#L288-L290"
     },
     {
       "kind": "enum",
@@ -46260,7 +46271,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L307-L309"
+      "specLocation": "_types/aggregations/bucket.ts#L308-L310"
     },
     {
       "inherits": {
@@ -46733,7 +46744,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L311-L326"
+      "specLocation": "_types/aggregations/bucket.ts#L312-L327"
     },
     {
       "attachedBehaviors": [
@@ -46981,7 +46992,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L328-L345"
+      "specLocation": "_types/aggregations/bucket.ts#L329-L346"
     },
     {
       "inherits": {
@@ -48340,7 +48351,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L347-L363"
+      "specLocation": "_types/aggregations/bucket.ts#L348-L364"
     },
     {
       "kind": "enum",
@@ -48356,7 +48367,7 @@
         "name": "TermsAggregationCollectMode",
         "namespace": "_types.aggregations"
       },
-      "specLocation": "_types/aggregations/bucket.ts#L373-L376"
+      "specLocation": "_types/aggregations/bucket.ts#L374-L377"
     },
     {
       "kind": "enum",
@@ -48378,7 +48389,7 @@
         "name": "TermsAggregationExecutionHint",
         "namespace": "_types.aggregations"
       },
-      "specLocation": "_types/aggregations/bucket.ts#L378-L383"
+      "specLocation": "_types/aggregations/bucket.ts#L379-L384"
     },
     {
       "attachedBehaviors": [
@@ -48420,7 +48431,7 @@
         "name": "TermsExclude",
         "namespace": "_types.aggregations"
       },
-      "specLocation": "_types/aggregations/bucket.ts#L388-L389",
+      "specLocation": "_types/aggregations/bucket.ts#L389-L390",
       "type": {
         "items": [
           {
@@ -48455,7 +48466,7 @@
         "name": "TermsInclude",
         "namespace": "_types.aggregations"
       },
-      "specLocation": "_types/aggregations/bucket.ts#L385-L386",
+      "specLocation": "_types/aggregations/bucket.ts#L386-L387",
       "type": {
         "items": [
           {
@@ -48516,7 +48527,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L391-L394"
+      "specLocation": "_types/aggregations/bucket.ts#L392-L395"
     },
     {
       "kind": "interface",
@@ -49185,7 +49196,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L396-L401"
+      "specLocation": "_types/aggregations/bucket.ts#L397-L402"
     },
     {
       "attachedBehaviors": [
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 2569c30a3c..34ea66937f 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -3287,6 +3287,7 @@ export interface AggregationsMultiBucketBase {
 
 export interface AggregationsMultiTermLookup {
   field: Field
+  missing?: AggregationsMissing
 }
 
 export interface AggregationsMultiTermsAggregate extends AggregationsTermsAggregateBase<AggregationsMultiTermsBucket> {
diff --git a/specification/_types/aggregations/bucket.ts b/specification/_types/aggregations/bucket.ts
index 5fde6af9b9..2dca74d2fa 100644
--- a/specification/_types/aggregations/bucket.ts
+++ b/specification/_types/aggregations/bucket.ts
@@ -246,6 +246,7 @@ export class MultiTermsAggregation extends BucketAggregationBase {
 
 export class MultiTermLookup {
   field: Field
+  missing?: Missing
 }
 
 export class NestedAggregation extends BucketAggregationBase {