diff --git a/mobile/shop/lg/xpay_approval.php b/mobile/shop/lg/xpay_approval.php
index 43f07519b..0f908dcd9 100644
--- a/mobile/shop/lg/xpay_approval.php
+++ b/mobile/shop/lg/xpay_approval.php
@@ -139,7 +139,7 @@ include_once(G5_PATH.'/head.sub.php');
 ?>
 
 <?php if ($default['de_card_test']) {   // 테스트 결제시 ?>
-<script language="javascript" src="https://pretest.uplus.co.kr:9443/xpay/js/xpay_crossplatform.js" type="text/javascript"></script>
+<script language="javascript" src="https://js.tosspayments.com/xpay_crossplatform/sandbox/v1" type="text/javascript"></script>
 <?php } else {      //실 결제시 ?>
 <script language="javascript" src="//xpay.uplus.co.kr/xpay/js/xpay_crossplatform.js" type="text/javascript"></script>
 <?php } ?>
diff --git a/plugin/lgxpay/lgdacom/conf/lgdacom.conf b/plugin/lgxpay/lgdacom/conf/lgdacom.conf
index a6ab19eb2..4893fee22 100644
--- a/plugin/lgxpay/lgdacom/conf/lgdacom.conf
+++ b/plugin/lgxpay/lgdacom/conf/lgdacom.conf
@@ -1,3 +1,3 @@
 url = https://xpayclient.lgdacom.net/xpay/Gateway.do
-test_url = https://pretestclient.uplus.co.kr:9443/xpay/Gateway.do
+test_url = https://xpay-gateway-sandbox.tosspayments.com/xpay/Gateway.do
 aux_url = http://xpayclient.lgdacom.net:7080/xpay/Gateway.do