diff --git a/qortal-ui-crypto/api/transactions/names/UpdateNameTransaction.js b/qortal-ui-crypto/api/transactions/names/UpdateNameTransaction.js
new file mode 100644
index 00000000..878d4f35
--- /dev/null
+++ b/qortal-ui-crypto/api/transactions/names/UpdateNameTransaction.js
@@ -0,0 +1,73 @@
+'use strict'
+import TransactionBase from '../TransactionBase.js'
+import { QORT_DECIMALS } from '../../constants.js'
+
+export default class UpdateNameTransaction extends TransactionBase {
+	constructor() {
+		super()
+		this.type = 4
+	}
+
+	render(html) {
+		return html`
+			${this._dialogUpdateName1}
+			<div style="background: #eee; padding: 8px; margin: 8px 0; border-radius: 5px;">
+				<span style="color: #000;">${this.nameText}</span>
+			</div>
+			${this._dialogUpdateName2}
+			<div style="background: #eee; padding: 8px; margin: 8px 0; border-radius: 5px;">
+				<span style="color: #000;">${this.newNameText}</span>
+			</div>
+			${this._dialogUpdateName3}
+		`
+	}
+
+	set dialogUpdateName1(dialogUpdateName1) {
+		this._dialogUpdateName1 = dialogUpdateName1
+	}
+
+	set dialogUpdateName1(dialogUpdateName1) {
+		this._dialogUpdateName1 = dialogUpdateName1
+	}
+
+	set dialogUpdateName2(dialogUpdateName2) {
+		this._dialogUpdateName2 = dialogUpdateName2
+	}
+
+	set fee(fee) {
+		this._fee = fee * QORT_DECIMALS
+		this._feeBytes = this.constructor.utils.int64ToBytes(this._fee)
+	}
+
+	set name(name) {
+		this.nameText = name
+		this._nameBytes = this.constructor.utils.stringtoUTF8Array(name)
+		this._nameLength = this.constructor.utils.int32ToBytes(this._nameBytes.length)
+	}
+
+	set newName(mewName) {
+		this.newNameText = newName
+		this._newNameBytes = this.constructor.utils.stringtoUTF8Array(mewName)
+		this._newNameLength = this.constructor.utils.int32ToBytes(this._newNameBytes.length)
+	}
+
+	set value(value) {
+		this.valueText = value.length === 0 ? "Registered Name on the Qortal Chain" : value
+		this._valueBytes = this.constructor.utils.stringtoUTF8Array(this.valueText)
+		this._valueLength = this.constructor.utils.int32ToBytes(this._valueBytes.length)
+	}
+
+	get params() {
+		const params = super.params
+		params.push(
+			this._nameLength,
+			this._nameBytes,
+			this._newNameLength,
+			this._newNameBytes,
+			this._valueLength,
+			this._valueBytes,
+			this._feeBytes
+		)
+		return params
+	}
+}
diff --git a/qortal-ui-crypto/api/transactions/transactions.js b/qortal-ui-crypto/api/transactions/transactions.js
index 16b7b09b..9fa87e99 100644
--- a/qortal-ui-crypto/api/transactions/transactions.js
+++ b/qortal-ui-crypto/api/transactions/transactions.js
@@ -1,5 +1,6 @@
 import PaymentTransaction from './PaymentTransaction.js'
 import RegisterNameTransaction from './names/RegisterNameTransaction.js'
+import UpdateNameTransaction from './names/UpdateNameTransaction.js'
 import SellNameTransacion from './names/SellNameTransacion.js'
 import CancelSellNameTransacion from './names/CancelSellNameTransacion.js'
 import BuyNameTransacion from './names/BuyNameTransacion.js'
@@ -25,6 +26,7 @@ import TransferPrivsTransaction from './TransferPrivsTransaction.js'
 export const transactionTypes = {
 	2: PaymentTransaction,
 	3: RegisterNameTransaction,
+	4: UpdateNameTransaction,
 	5: SellNameTransacion,
 	6: CancelSellNameTransacion,
 	7: BuyNameTransacion,