Dependency in .info.yml

Dependencies on Drupal core or contrib modules should be namespaced in the format {project}:{module}, where {project} is the project name as it appears in the Drupal.org URL (e.g. drupal.org/project/views) and {module} is the module's machine name.
https://www.drupal.org/docs/8/creating-custom-modules/let-drupal-8-know-...