diff --git a/java-client/src/main/java/org/opensearch/client/opensearch/core/bulk/UpdateOperation.java b/java-client/src/main/java/org/opensearch/client/opensearch/core/bulk/UpdateOperation.java
index 15d30fe0c4..3e55a900b4 100644
--- a/java-client/src/main/java/org/opensearch/client/opensearch/core/bulk/UpdateOperation.java
+++ b/java-client/src/main/java/org/opensearch/client/opensearch/core/bulk/UpdateOperation.java
@@ -32,11 +32,12 @@
 
 package org.opensearch.client.opensearch.core.bulk;
 
-import jakarta.json.stream.JsonGenerator;
 import java.util.Arrays;
 import java.util.Iterator;
 import java.util.function.Function;
+
 import javax.annotation.Nullable;
+
 import org.opensearch.client.json.JsonpMapper;
 import org.opensearch.client.json.JsonpSerializer;
 import org.opensearch.client.json.NdJsonpSerializable;
@@ -44,6 +45,8 @@
 import org.opensearch.client.util.ApiTypeHelper;
 import org.opensearch.client.util.ObjectBuilder;
 
+import jakarta.json.stream.JsonGenerator;
+
 // typedef: _global.bulk.UpdateOperation
 
 public class UpdateOperation<TDocument> extends BulkOperationBase implements NdJsonpSerializable, BulkOperationVariant {
@@ -69,7 +72,8 @@ private UpdateOperation(Builder<TDocument> builder) {
 
     }
 
-    public static <TDocument> UpdateOperation<TDocument> of(Function<Builder<TDocument>, ObjectBuilder<UpdateOperation<TDocument>>> fn) {
+    public static <TDocument> UpdateOperation<TDocument>
+        of(Function<Builder<TDocument>, ObjectBuilder<UpdateOperation<TDocument>>> fn) {
         return fn.apply(new Builder<>()).build();
     }
 
@@ -102,6 +106,7 @@ public final Integer retryOnConflict() {
         return this.retryOnConflict;
     }
 
+    @Override
     protected void serializeInternal(JsonGenerator generator, JsonpMapper mapper) {
 
         super.serializeInternal(generator, mapper);
@@ -125,7 +130,7 @@ protected void serializeInternal(JsonGenerator generator, JsonpMapper mapper) {
 
     public static class Builder<TDocument> extends BulkOperationBase.AbstractBuilder<Builder<TDocument>>
         implements
-            ObjectBuilder<UpdateOperation<TDocument>> {
+        ObjectBuilder<UpdateOperation<TDocument>> {
 
         private UpdateOperationData<TDocument> data;
 
@@ -144,6 +149,9 @@ public static class Builder<TDocument> extends BulkOperationBase.AbstractBuilder
         @Nullable
         private Boolean docAsUpsert;
 
+        @Nullable
+        private Boolean scriptedUpsert;
+
         @Nullable
         private TDocument upsert;
 
@@ -166,6 +174,14 @@ public final Builder<TDocument> docAsUpsert(@Nullable Boolean value) {
             return this;
         }
 
+        /**
+         * API name: {@code scripted_upsert}
+         */
+        public final Builder<TDocument> scriptedUpsert(@Nullable Boolean value) {
+            this.scriptedUpsert = value;
+            return this;
+        }
+
         /**
          * API name: {@code upsert}
          */
@@ -218,17 +234,19 @@ protected Builder<TDocument> self() {
          * @throws NullPointerException
          *			 if some of the required fields are null.
          */
+        @Override
         public UpdateOperation<TDocument> build() {
             _checkSingleUse();
 
             data = new UpdateOperationData.Builder<TDocument>().document(document)
                 .docAsUpsert(docAsUpsert)
+                .scriptedUpsert(scriptedUpsert)
                 .script(script)
                 .upsert(upsert)
                 .tDocumentSerializer(tDocumentSerializer)
                 .build();
 
-            return new UpdateOperation<TDocument>(this);
+            return new UpdateOperation<>(this);
         }
     }
 
diff --git a/java-client/src/main/java/org/opensearch/client/opensearch/core/bulk/UpdateOperationData.java b/java-client/src/main/java/org/opensearch/client/opensearch/core/bulk/UpdateOperationData.java
index 572930d0fd..832ab5753d 100644
--- a/java-client/src/main/java/org/opensearch/client/opensearch/core/bulk/UpdateOperationData.java
+++ b/java-client/src/main/java/org/opensearch/client/opensearch/core/bulk/UpdateOperationData.java
@@ -24,6 +24,9 @@ public class UpdateOperationData<TDocument> implements JsonpSerializable {
     @Nullable
     private final Boolean docAsUpsert;
 
+    @Nullable
+    private final Boolean scriptedUpsert;
+
     @Nullable
     private final TDocument upsert;
 
@@ -36,6 +39,7 @@ public class UpdateOperationData<TDocument> implements JsonpSerializable {
     private UpdateOperationData(Builder<TDocument> builder) {
         this.document = builder.document;
         this.docAsUpsert = builder.docAsUpsert;
+        this.scriptedUpsert = builder.scriptedUpsert;
         this.script = builder.script;
         this.upsert = builder.upsert;
         this.tDocumentSerializer = builder.tDocumentSerializer;
@@ -55,6 +59,11 @@ protected void serializeInternal(JsonGenerator generator, JsonpMapper mapper) {
             generator.write(this.docAsUpsert);
         }
 
+        if (this.scriptedUpsert != null) {
+            generator.writeKey("scripted_upsert");
+            generator.write(scriptedUpsert);
+        }
+
         if (this.document != null) {
             generator.writeKey("doc");
             JsonpUtils.serialize(document, generator, tDocumentSerializer, mapper);
@@ -87,6 +96,9 @@ public static class Builder<TDocument> extends BulkOperationBase.AbstractBuilder
         @Nullable
         private Boolean docAsUpsert;
 
+        @Nullable
+        private Boolean scriptedUpsert;
+
         @Nullable
         private TDocument upsert;
 
@@ -109,6 +121,14 @@ public final Builder<TDocument> docAsUpsert(@Nullable Boolean value) {
             return this;
         }
 
+        /**
+         * API name: {@code scripted_upsert}
+         */
+        public final Builder<TDocument> scriptedUpsert(@Nullable Boolean value) {
+            this.scriptedUpsert = value;
+            return this;
+        }
+        
         /**
          * API name: {@code upsert}
          */