Express PUT route, with tedious connection to Azure database

I am trying to make a PUT request, updating the users e-mail.
I am testing the endpoint with Postman.

I am pretty sure the mistake is in line 7, but I can’t seem to get it working.
My final goal, is updating the user email to whatever is put into a input field in HTML.

Is somebody able to spot what I am missing?

/src/routes/userRoutes.js

const express = require("express");
var Connection = require("tedious").Connection;
const sql = require("mssql");
const config = require("../../config.json");
var connection = new Connection(config);
const router = express.Router();

router.post("/updateUser", (req, res) => {
  sql.connect(config, function (err) {
    if (err) console.log(err);
    // create Request object
    var request = new sql.Request();
    // query to the database and get the records
    const email = req.body.email;
    request.query(
      `update dbo.[user]
      set User_Email = '${email}'
      where User_ID = 6`,
      function (err, recordset) {
        if (err) {
          console.log(err);
        } else {
          console.log(`User has been updated!`);
          res.json("Updated user");
        }
      }
    );
  });
});

app.js

const express = require('express')
const app = express();
const PORT = 3000;
const userRoutes = require('./src/routes/userRoutes')
const path = require('path')

app.use(express.static('./src/views'));
app.use(express.json())


app.use('/', userRoutes)
app.use('/createUser', userRoutes)
app.use('/updateUser', userRoutes)
app.use('/deleteUser', userRoutes)

//app.get('/updateProduct', (req,res) => {
//    res.render(path.join(__dirname, '/src/views/updateProduct.html'))
//})



app.listen(PORT, () => {
    console.log(`Server is listening on ${PORT}`);
})

POSTMAN output

Cannot PUT /updateUser