diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1e88852..864dd84 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,8 +10,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Ruby
-        uses: ruby/setup-ruby@ec02537da5712d66d4d50a0f33b7eb52773b5ed1
+        uses: ruby/setup-ruby@v1
       - name: Install dependencies
         run: bundle install
\ No newline at end of file
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index e4521c0..ba0ec09 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout project
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build image (application)
         run: docker build -t test-image:latest .
       - name: Start container (application)
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 216763c..e9c979e 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -8,16 +8,16 @@
   <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous" />
   <%= stylesheet_link_tag "application", media: "all", 'data-turbolinks-track': "reload" %>
 
-    <!-- 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">
+  <!-- Adyen CSS from TEST environment (change to live for production)-->
+  <link rel="stylesheet"
+    href="https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.68.0/adyen.css"
+    integrity="sha384-gpOE6R0K50VgXe6u/pyjzkKl4Kr8hXu93KUCTmC4LqbO9mpoGUYsrmeVLcp2eejn"
+    crossorigin="anonymous">
 
-    <!-- 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"
-            crossorigin="anonymous"></script>
+  <!-- Adyen JS from TEST environment (change to live for production)-->
+  <script src="https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.68.0/adyen.js"
+    integrity="sha384-U9GX6Oa3W024049K86PYG36/jHjkvUqsRd8Y9cF1CmB92sm4tnjxDXF/tkdcsk6k"
+    crossorigin="anonymous"></script>
 
   <title>Checkout Demo</title>
 </head>