% equery l -o -p spotify
 * Searching for spotify ...
[--O] [ -] media-sound/spotify-1.0.72-r1:0
[--O] [  ] media-sound/spotify-1.1.5-r1:

% sudo emerge -v spotify

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild  N    *] media-sound/spotify-1.0.72-r1::media-kit  USE="libnotify pulseaudio -pax_kernel -systray" 92 906 KiBTotal: 1 package (1 new), Size of downloads: 92 906 KiB

!!! The following update has been skipped due to unsatisfied dependencies:

media-sound/spotify:0

  selected: (media-sound/spotify-1.0.72-r1:0/0::media-kit, ebuild scheduled for merge)
  skipped: (media-sound/spotify-1.1.5-r1:0/0::media-kit, ebuild scheduled for merge) (see unsatisfied dependency below)

emerge: there are no ebuilds to satisfy ">=dev-util/patchelf-0.10".
(dependency required by "media-sound/spotify-1.1.5-r1::media-kit" [ebuild])

% equery l -p -o patchelf
 * Searching for patchelf ...
[--O] [  ] dev-util/patchelf-0.8:0
[--O] [  ] dev-util/patchelf-0.9:0
[--O] [  ] dev-util/patchelf-0.9_p20180129:0