How to update the angular version to 8 with the Ionic 4 project

I have just setup the Ionic 4 project and with that Angular 7 version is there but I want to update the Angular 7 version to 8 and I am running the following cmd but showing the error.

Commands That I am running to run:

ng update @angular/cli @angular/core

npm install --save-dev @angular-devkit/build-angular

Error that is coming:

Could not find module "@angular-devkit/build-angular" from "/home/Projects/myProjectName". Error: Could not find module "@angular-devkit/build-angular" from "/home/Projects/myProjectName".

Any help is much appreciated.

Solution

Try This:

Commands That I am running to run to solve the problem:

ng update @angular/cli @angular/core --force

npm install --save-dev @angular-devkit/build-angular

npm install --save-dev @ionic/angular-toolkit

This will solve your problem.