diff --git a/checkout-example-advanced/src/main/resources/templates/layout.html b/checkout-example-advanced/src/main/resources/templates/layout.html
index b446485..5f8afc5 100644
--- a/checkout-example-advanced/src/main/resources/templates/layout.html
+++ b/checkout-example-advanced/src/main/resources/templates/layout.html
@@ -21,15 +21,15 @@
   />
 
   <!-- Adyen JS from TEST environment (change to live for production)-->
-  <script src="https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.40.0/adyen.js"
-          integrity="sha384-ds1t0hgFCe636DXFRL6ciadL2Wb4Yihh27R4JO7d9CF7sFY3NJE4aPCK0EpzaYXD"
+  <script src="https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.53.2/adyen.js"
+          integrity="sha384-ng3HLoZIlQ3BLgyGyGNiwWSx6LEPIlmxVuGRw72skZFt9mL8OweRjp7vcPzSqxTj"
           crossorigin="anonymous"></script>
 
   <!-- Adyen CSS from TEST environment (change to live for production)-->
   <link rel="stylesheet"
-        href="https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.40.0/adyen.css"
-        integrity="sha384-BRZCzbS8n6hZVj8BESE6thGk0zSkUZfUWxL/vhocKu12k3NZ7xpNsIK39O2aWuni"
-        crossorigin="anonymous">
+        href="https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.53.2/adyen.css"
+        integrity="sha384-9EdBqZRrjozkt+Be5ycjHBTi+4DYrafpC1KyPnNyTBfjBIZ5+oMp8BbgvPLGgsE0"
+        crossorigin="anonymous"/>
 
   <link rel="stylesheet" href="/css/application.css" />
 </head>