How to update pdfmake?

Looks better with node v14.15.4 and npm 6.14.11. However now getting a missing laravel module:

$ gulp -f gulpfile.js 
Error: Cannot find module 'laravel-elixir'
Require stack:
- /home/ckadm/invoiceninja-4.5.29/gulpfile.js
- /usr/local/lib/node_modules/gulp/node_modules/gulp-cli/lib/shared/require-or-import.js
- /usr/local/lib/node_modules/gulp/node_modules/gulp-cli/lib/versioned/^3.7.0/index.js
- /usr/local/lib/node_modules/gulp/node_modules/gulp-cli/index.js
- /usr/local/lib/node_modules/gulp/bin/gulp.js
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:880:15)
    at Function.Module._load (internal/modules/cjs/loader.js:725:27)
    at Module.require (internal/modules/cjs/loader.js:952:19)
    at require (internal/modules/cjs/helpers.js:88:18)
    at Object.<anonymous> (/home/ckadm/invoiceninja-4.5.29/gulpfile.js:1:14)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
    at Module.load (internal/modules/cjs/loader.js:928:32)
    at Function.Module._load (internal/modules/cjs/loader.js:769:14)
    at Module.require (internal/modules/cjs/loader.js:952:19) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    '/home/ckadm/invoiceninja-4.5.29/gulpfile.js',
    '/usr/local/lib/node_modules/gulp/node_modules/gulp-cli/lib/shared/require-or-import.js',
    '/usr/local/lib/node_modules/gulp/node_modules/gulp-cli/lib/versioned/^3.7.0/index.js',
    '/usr/local/lib/node_modules/gulp/node_modules/gulp-cli/index.js',
    '/usr/local/lib/node_modules/gulp/bin/gulp.js'
  ]
}

Assuming this is another npm module. Can you confirm?