Не удается установить Spotify на 15.10: проблема libssl0.9.8

Завершены первые три шага, приведенные здесь

Однако после выполнения шага 4, который является

~$ sudo apt-get install spotify-client

, я получаю следующий вывод

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 spotify-client : Depends: libssl0.9.8 but it is not installable
                  Recommends: libavcodec53 but it is not installable or
                              libavcodec52 but it is not installable or
                              libavcodec-extra-53 but it is not installable or
                              libavcodec-extra-52 but it is not installable
                  Recommends: libavformat53 but it is not installable or
                              libavformat52 but it is not installable or
                              libavformat-extra-53 but it is not installable or
                              libavformat-extra-52 but it is not installable
E: Unable to correct problems, you have held broken packages.

I попробовал

sudo apt-get install libav-tools

, но пока не повезло.

Что мне делать?