libfreetype6-dev install problems

❯ sudo aptitude install libfreetype6-dev
The following NEW packages will be installed:
  libfreetype6-dev libpng12-dev{a}
0 packages upgraded, 2 newly installed, 0 to remove and 22 not upgraded.
Need to get 0 B/2.833 kB of archives. After unpacking 6.782 kB will be used.
The following packages have unmet dependencies:
 libpng16-devtools : Conflicts: libpng12-0-dev which is a virtual package, provided by:
                                 - libpng12-dev, but 1.2.54-1ubuntu1 is to be installed.
                     Conflicts: libpng12-dev but 1.2.54-1ubuntu1 is to be installed.
                     Conflicts: libpng3-dev which is a virtual package, provided by:
                                 - libpng12-dev, but 1.2.54-1ubuntu1 is to be installed.
 libpng16-dev : Conflicts: libpng12-0-dev which is a virtual package, provided by:
                            - libpng12-dev, but 1.2.54-1ubuntu1 is to be installed.
                Conflicts: libpng12-dev but 1.2.54-1ubuntu1 is to be installed.
                Conflicts: libpng3-dev which is a virtual package, provided by:
                            - libpng12-dev, but 1.2.54-1ubuntu1 is to be installed.
 libpng16-tools : Conflicts: libpng12-0-dev which is a virtual package, provided by:
                              - libpng12-dev, but 1.2.54-1ubuntu1 is to be installed.
                  Conflicts: libpng12-dev but 1.2.54-1ubuntu1 is to be installed.
                  Conflicts: libpng3-dev which is a virtual package, provided by:
                              - libpng12-dev, but 1.2.54-1ubuntu1 is to be installed.
The following actions will resolve these dependencies:

     Remove the following packages:
1)     libpng16-dev
2)     libpng16-devtools
3)     libpng16-tools



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