Argument of type NextHandleFunction is not assignable - Nodejs

  // Middleware that transforms the raw string of req.body into json
  app.use(express.urlencoded({extended: true})); 
  app.use(express.json());   

$ nodemon
[nodemon] 2.0.7
[nodemon] to restart at any time, enter `rs`
[nodemon] watching path(s): src/**/*
[nodemon] watching extensions: ts,html
[nodemon] starting `./node_modules/.bin/ts-node -r tsconfig-paths/register ./src`
(node:36899) UnhandledPromiseRejectionWarning: TSError: ⨯ Unable to compile TypeScript:
src/loaders/express.ts:33:11 - error TS2769: No overload matches this call.
  The last overload gave the following error.
    Argument of type 'NextHandleFunction' is not assignable to parameter of type 'PathParams'.
      Type 'NextHandleFunction' is missing the following properties from type '(string | RegExp)[]': pop, push, concat, join, and 25 more.

33   app.use(express.urlencoded({extended: true}));
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  node_modules/@types/express-serve-static-core/index.d.ts:114:5
    114     <
            ~
    115         P = ParamsDictionary,
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    ... 
    123         ...handlers: Array<RequestHandlerParams<P, ResBody, ReqBody, ReqQuery, Locals>>
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    124     ): T;
        ~~~~~~~~~
    ......

  // import RequestHandler at the top
  import express, { RequestHandler} from 'express';

  // Middleware that transforms the raw string of req.body into json
  app.use(express.urlencoded({extended: true}) as RequestHandler); 
  app.use(express.json() as RequestHandler);