How to update IONIC framework


I want to update Framework Version to 3.1.1 .

What command can to do this.

Your system information:

Cordova CLI: 7.0.0 
Ionic Framework Version: 3.1.0
Ionic CLI Version: 2.2.3
Ionic App Lib Version: 2.2.1
Ionic App Scripts Version: 1.3.5
ios-deploy version: 1.9.1 
ios-sim version: 5.0.13 
OS: macOS Sierra
Node Version: v6.9.5
Xcode version: Xcode 8.3.2 Build version 8E2002


Follow my guide: Guide: How to update to Ionic 3.X