heroku Automatic deploys失败

[gogyouka]

-----> Installing dependencies Installing node modules npm ERR! cipm can only install packages when your package.json and package-lock.json or npm-shrinkwrap.json are in sync. Please update your lock file with npm install before continuing. npm ERR! npm ERR! npm ERR! Missing: city-timezones@^1.2.0 npm ERR!

   npm ERR! A complete log of this run can be found in:
   npm ERR!     /tmp/npmcache.X84nI/_logs/2021-06-12T06_50_46_236Z-debug.log

-----> Build failed