Я пытаюсь обновить до Angular9 и Ionic5

Question

Я пытаюсь обновить систему до Ionic5, но не могу этого сделать.

npm WARN @ionic/angular@5.0.4 requires a peer of @angular/core@>=8.2.7 but none is installed. You must install peer dependencies yourself.
npm WARN @ionic/angular@5.0.4 requires a peer of @angular/forms@>=8.2.7 but none is installed. You must install peer dependencies yourself.
npm WARN @ionic/angular@5.0.4 requires a peer of @angular/router@>=8.2.7 but none is installed. You must install peer dependencies yourself.