diff --git a/app.js b/app.js
index b5a76a54..5df1e466 100644
--- a/app.js
+++ b/app.js
@@ -1,5 +1,5 @@
 /**
- * 
+ *
  * Copyright 2015 IBM Corp. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -33,26 +33,29 @@ app.use(bodyParser.json());
 var assistant = new AssistantV2({
   version: '2019-02-28',
   authenticator: new IamAuthenticator({
-    apikey: process.env.ASSISTANT_IAM_APIKEY
+    apikey: process.env.ASSISTANT_IAM_APIKEY,
   }),
-  url: process.env.ASSISTANT_IAM_URL,
+  url: process.env.ASSISTANT_URL,
 });
 
-
 // Endpoint to be call from the client side
-app.post('/api/message', function (req, res) {
+app.post('/api/message', function(req, res) {
   let assistantId = process.env.ASSISTANT_ID || '<assistant-id>';
   if (!assistantId || assistantId === '<assistant-id>') {
     return res.json({
-      'output': {
-        'text': 'The app has not been configured with a <b>ASSISTANT_ID</b> environment variable. Please refer to the ' + '<a href="https://github.com/watson-developer-cloud/assistant-simple">README</a> documentation on how to set this variable. <br>' + 'Once a workspace has been defined the intents may be imported from ' + '<a href="https://github.com/watson-developer-cloud/assistant-simple/blob/master/training/car_workspace.json">here</a> in order to get a working application.'
-      }
+      output: {
+        text:
+          'The app has not been configured with a <b>ASSISTANT_ID</b> environment variable. Please refer to the ' +
+          '<a href="https://github.com/watson-developer-cloud/assistant-simple">README</a> documentation on how to set this variable. <br>' +
+          'Once a workspace has been defined the intents may be imported from ' +
+          '<a href="https://github.com/watson-developer-cloud/assistant-simple/blob/master/training/car_workspace.json">here</a> in order to get a working application.',
+      },
     });
   }
 
   var textIn = '';
 
-  if(req.body.input) {
+  if (req.body.input) {
     textIn = req.body.input.text;
   }
 
@@ -60,15 +63,15 @@ app.post('/api/message', function (req, res) {
     assistantId: assistantId,
     sessionId: req.body.session_id,
     input: {
-      message_type : 'text',
-      text : textIn
-    }
+      message_type: 'text',
+      text: textIn,
+    },
   };
 
   // Send the input to the assistant service
-  assistant.message(payload, function (err, data) {
+  assistant.message(payload, function(err, data) {
     if (err) {
-      const status = (err.code  !== undefined && err.code > 0)? err.code : 500;
+      const status = err.code !== undefined && err.code > 0 ? err.code : 500;
       return res.status(status).json(err);
     }
 
@@ -76,16 +79,19 @@ app.post('/api/message', function (req, res) {
   });
 });
 
-app.get('/api/session', function (req, res) {
-  assistant.createSession({
-    assistantId: process.env.ASSISTANT_ID || '{assistant_id}',
-  }, function (error, response) {
-    if (error) {
-      return res.send(error);
-    } else {
-      return res.send(response);
+app.get('/api/session', function(req, res) {
+  assistant.createSession(
+    {
+      assistantId: process.env.ASSISTANT_ID || '{assistant_id}',
+    },
+    function(error, response) {
+      if (error) {
+        return res.send(error);
+      } else {
+        return res.send(response);
+      }
     }
-  });
+  );
 });
 
-module.exports = app;
\ No newline at end of file
+module.exports = app;
diff --git a/package.json b/package.json
index 76d74cd0..20ab1f03 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "access": "public"
   },
   "engines": {
-    "node": ">=8.15.0"
+    "node": ">=12"
   },
   "engineStrict": true,
   "devDependencies": {