diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 8756047..7790489 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -10,19 +10,28 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <%= favicon_link_tag asset_path('favicon.ico') %>
     <% if Rails.env == "production" %>
-      <!-- Global site tag (gtag.js) - Google Analytics -->
-      <script async src="https://www.googletagmanager.com/gtag/js?id=UA-167888662-2"></script>
-      <script>
-        window.dataLayer = window.dataLayer || [];
-        function gtag(){dataLayer.push(arguments);}
-        gtag('js', new Date());
-     
-        gtag('config', 'UA-167888662-2');
-      </script>
+      <!-- Google Tag Manager -->
+
+      <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+
+      new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+
+      j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+
+      'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+
+      })(window,document,'script','dataLayer','GTM-K8D67NZ');</script>
+
+      <!-- End Google Tag Manager -->
     <% end %>
   </head>
 
   <body>
+    <!-- Google Tag Manager (noscript) -->
+      <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-K8D67NZ"
+
+      height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+    <!-- End Google Tag Manager (noscript) -->
     <%= render 'layouts/header' %>
     <%= yield %>
     <%= render 'layouts/footer' %>
