diff --git a/output/schema/schema.json b/output/schema/schema.json
index dbfc72f1cf..8e69842c38 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -40360,7 +40360,7 @@
         "name": "AggregateOrder",
         "namespace": "_types.aggregations"
       },
-      "specLocation": "_types/aggregations/bucket.ts#L402-L404",
+      "specLocation": "_types/aggregations/bucket.ts#L403-L405",
       "type": {
         "items": [
           {
@@ -41404,7 +41404,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L297-L301"
+      "specLocation": "_types/aggregations/bucket.ts#L298-L302"
     },
     {
       "kind": "interface",
@@ -42647,7 +42647,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L436-L500"
+      "specLocation": "_types/aggregations/bucket.ts#L437-L501"
     },
     {
       "codegenNames": [
@@ -42659,7 +42659,7 @@
         "name": "CategorizeTextAnalyzer",
         "namespace": "_types.aggregations"
       },
-      "specLocation": "_types/aggregations/bucket.ts#L502-L505",
+      "specLocation": "_types/aggregations/bucket.ts#L503-L506",
       "type": {
         "items": [
           {
@@ -42710,7 +42710,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L321-L324"
+      "specLocation": "_types/aggregations/bucket.ts#L322-L325"
     },
     {
       "attachedBehaviors": [
@@ -43085,7 +43085,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L507-L511"
+      "specLocation": "_types/aggregations/bucket.ts#L508-L512"
     },
     {
       "inherits": {
@@ -45181,7 +45181,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L326-L328"
+      "specLocation": "_types/aggregations/bucket.ts#L327-L329"
     },
     {
       "kind": "interface",
@@ -46053,7 +46053,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L513-L542"
+      "specLocation": "_types/aggregations/bucket.ts#L514-L543"
     },
     {
       "attachedBehaviors": [
@@ -47385,9 +47385,20 @@
               "namespace": "_types"
             }
           }
+        },
+        {
+          "name": "missing",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Missing",
+              "namespace": "_types.aggregations"
+            }
+          }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L276-L278"
+      "specLocation": "_types/aggregations/bucket.ts#L276-L279"
     },
     {
       "inherits": {
@@ -47606,7 +47617,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L330-L333"
+      "specLocation": "_types/aggregations/bucket.ts#L331-L334"
     },
     {
       "attachedBehaviors": [
@@ -47652,7 +47663,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L280-L282"
+      "specLocation": "_types/aggregations/bucket.ts#L281-L283"
     },
     {
       "inherits": {
@@ -47754,7 +47765,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L284-L286"
+      "specLocation": "_types/aggregations/bucket.ts#L285-L287"
     },
     {
       "kind": "interface",
@@ -47763,7 +47774,7 @@
         "namespace": "_types.aggregations"
       },
       "properties": [],
-      "specLocation": "_types/aggregations/bucket.ts#L335-L335"
+      "specLocation": "_types/aggregations/bucket.ts#L336-L336"
     },
     {
       "inherits": {
@@ -48156,7 +48167,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L288-L295"
+      "specLocation": "_types/aggregations/bucket.ts#L289-L296"
     },
     {
       "attachedBehaviors": [
@@ -48324,7 +48335,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L303-L311"
+      "specLocation": "_types/aggregations/bucket.ts#L304-L312"
     },
     {
       "inherits": {
@@ -48463,7 +48474,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L313-L315"
+      "specLocation": "_types/aggregations/bucket.ts#L314-L316"
     },
     {
       "attachedBehaviors": [
@@ -48509,7 +48520,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L317-L319"
+      "specLocation": "_types/aggregations/bucket.ts#L318-L320"
     },
     {
       "kind": "enum",
@@ -48549,7 +48560,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L337-L339"
+      "specLocation": "_types/aggregations/bucket.ts#L338-L340"
     },
     {
       "inherits": {
@@ -49033,7 +49044,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L341-L357"
+      "specLocation": "_types/aggregations/bucket.ts#L342-L358"
     },
     {
       "attachedBehaviors": [
@@ -49292,7 +49303,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L359-L377"
+      "specLocation": "_types/aggregations/bucket.ts#L360-L378"
     },
     {
       "inherits": {
@@ -50662,7 +50673,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L379-L396"
+      "specLocation": "_types/aggregations/bucket.ts#L380-L397"
     },
     {
       "kind": "enum",
@@ -50678,7 +50689,7 @@
         "name": "TermsAggregationCollectMode",
         "namespace": "_types.aggregations"
       },
-      "specLocation": "_types/aggregations/bucket.ts#L406-L409"
+      "specLocation": "_types/aggregations/bucket.ts#L407-L410"
     },
     {
       "kind": "enum",
@@ -50700,7 +50711,7 @@
         "name": "TermsAggregationExecutionHint",
         "namespace": "_types.aggregations"
       },
-      "specLocation": "_types/aggregations/bucket.ts#L411-L416"
+      "specLocation": "_types/aggregations/bucket.ts#L412-L417"
     },
     {
       "attachedBehaviors": [
@@ -50742,7 +50753,7 @@
         "name": "TermsExclude",
         "namespace": "_types.aggregations"
       },
-      "specLocation": "_types/aggregations/bucket.ts#L421-L422",
+      "specLocation": "_types/aggregations/bucket.ts#L422-L423",
       "type": {
         "items": [
           {
@@ -50777,7 +50788,7 @@
         "name": "TermsInclude",
         "namespace": "_types.aggregations"
       },
-      "specLocation": "_types/aggregations/bucket.ts#L418-L419",
+      "specLocation": "_types/aggregations/bucket.ts#L419-L420",
       "type": {
         "items": [
           {
@@ -50838,7 +50849,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L424-L427"
+      "specLocation": "_types/aggregations/bucket.ts#L425-L428"
     },
     {
       "kind": "interface",
@@ -51507,7 +51518,7 @@
           }
         }
       ],
-      "specLocation": "_types/aggregations/bucket.ts#L429-L434"
+      "specLocation": "_types/aggregations/bucket.ts#L430-L435"
     },
     {
       "attachedBehaviors": [
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 1c28cbc5b8..ded26f08be 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -3420,6 +3420,7 @@ 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 46ef1730be..8346a88557 100644
--- a/specification/_types/aggregations/bucket.ts
+++ b/specification/_types/aggregations/bucket.ts
@@ -275,6 +275,7 @@ export class MultiTermsAggregation extends BucketAggregationBase {
 
 export class MultiTermLookup {
   field: Field
+  missing?: Missing
 }
 
 export class NestedAggregation extends BucketAggregationBase {