Problem with installation in wheezy

I try install posgtres with postgis.
And have no idea why it needs postgresql-9.4-postgis-2.1

  postgresql-9.4{a} (for postgresql-9.1-postgis-2.0)
  postgresql-9.4-postgis-2.1{a} (for postgresql-9.1-postgis-2.0)

Full dependency list:
root@Debian-78-wheezy-64-minimal ~ # aptitude --show-why install postgresql-9.1-postgis-2.0=2.0.3-8.pgdg70+1
postgresql-9.1=9.1.18-1.pgdg70+1
The following NEW packages will be installed:
  fontconfig{a} (for postgresql-9.1-postgis-2.0)
  hicolor-icon-theme{a} (for postgresql-9.1-postgis-2.0)
  libarmadillo3{a} (for postgresql-9.1-postgis-2.0)
  libatk1.0-0{a} (for postgresql-9.1-postgis-2.0)
  libatk1.0-data{a} (for postgresql-9.1-postgis-2.0)
  libblas3{a} (for postgresql-9.1-postgis-2.0)
  libcairo2{a} (for postgresql-9.1-postgis-2.0)
  libcurl3-gnutls{a} (for postgresql-9.1-postgis-2.0)
  libdap11{a} (for postgresql-9.1-postgis-2.0)
  libdapclient3{a} (for postgresql-9.1-postgis-2.0)
  libdapserver7{a} (for postgresql-9.1-postgis-2.0)
  libdatrie1{a} (for postgresql-9.1-postgis-2.0)
  libepsilon0{a} (for postgresql-9.1-postgis-2.0)
  libfreexl1{a} (for postgresql-9.1-postgis-2.0)
  libgdal1{a} (for postgresql-9.1-postgis-2.0)
  libgdk-pixbuf2.0-0{a} (for postgresql-9.1-postgis-2.0)
  libgdk-pixbuf2.0-common{a} (for postgresql-9.1-postgis-2.0)
  libgeos-3.3.3{a} (for postgresql-9.1-postgis-2.0)
  libgeos-c1{a} (for postgresql-9.1-postgis-2.0)
  libgfortran3{a} (for postgresql-9.1-postgis-2.0)
  libgif4{a} (for postgresql-9.1-postgis-2.0)
  libgtk2.0-0{a} (for postgresql-9.1-postgis-2.0)
  libgtk2.0-bin{a} (for postgresql-9.1-postgis-2.0)
  libgtk2.0-common{a} (for postgresql-9.1-postgis-2.0)
  libhdf4-0-alt{a} (for postgresql-9.1-postgis-2.0)
  libhdf5-7{a} (for postgresql-9.1-postgis-2.0)
  libjson0{a} (for postgresql-9.1-postgis-2.0)
  libkml0{a} (for postgresql-9.1-postgis-2.0)
  liblapack3{a} (for postgresql-9.1-postgis-2.0)
  liblcms1{a} (for postgresql-9.1-postgis-2.0)
  liblwgeom-2.0.3{a} (for postgresql-9.1-postgis-2.0)
  liblwgeom-2.1.7{a} (for postgresql-9.1-postgis-2.0)
  libmysqlclient18{a} (for postgresql-9.1-postgis-2.0)
  libnetcdfc7{a} (for postgresql-9.1-postgis-2.0)
  libodbc1{a} (for postgresql-9.1-postgis-2.0)
  libogdi3.2{a} (for postgresql-9.1-postgis-2.0)
  libopenjpeg2{a} (for postgresql-9.1-postgis-2.0)
  libpango1.0-0{a} (for postgresql-9.1-postgis-2.0)
  libpixman-1-0{a} (for postgresql-9.1-postgis-2.0)
  libpoppler19{a} (for postgresql-9.1-postgis-2.0)
  libproj0{a} (for postgresql-9.1-postgis-2.0)
  libquadmath0{a} (for postgresql-9.1-postgis-2.0)
  libspatialite3{a} (for postgresql-9.1-postgis-2.0)
  libthai-data{a} (for postgresql-9.1-postgis-2.0)
  libthai0{a} (for postgresql-9.1-postgis-2.0)
  liburiparser1{a} (for postgresql-9.1-postgis-2.0)
  libxcb-render0{a} (for postgresql-9.1-postgis-2.0)
  libxcb-shm0{a} (for postgresql-9.1-postgis-2.0)
  libxcomposite1{a} (for postgresql-9.1-postgis-2.0)
  libxcursor1{a} (for postgresql-9.1-postgis-2.0)
  libxdamage1{a} (for postgresql-9.1-postgis-2.0)
  libxerces-c28{a} (for postgresql-9.1-postgis-2.0)
  libxfixes3{a} (for postgresql-9.1-postgis-2.0)
  libxft2{a} (for postgresql-9.1-postgis-2.0)
  libxi6{a} (for postgresql-9.1-postgis-2.0)
  libxinerama1{a} (for postgresql-9.1-postgis-2.0)
  libxrandr2{a} (for postgresql-9.1-postgis-2.0)
  libxrender1{a} (for postgresql-9.1-postgis-2.0)
  lsb-release{a} (for postgresql-9.1, postgresql-9.1-postgis-2.0)
  mysql-common{a} (for postgresql-9.1-postgis-2.0)
  odbcinst{a} (for postgresql-9.1-postgis-2.0)
  odbcinst1debian2{a} (for postgresql-9.1-postgis-2.0)
  pgdg-keyring{a} (for postgresql-9.1)
  postgis{a} (for postgresql-9.1-postgis-2.0)
  postgis-doc{a} (for postgresql-9.1-postgis-2.0)  postgresql-9.1
  postgresql-9.1-postgis-2.0
  postgresql-9.1-postgis-2.0-scripts{a} (for postgresql-9.1-postgis-2.0)
  postgresql-9.4{a} (for postgresql-9.1-postgis-2.0)
  postgresql-9.4-postgis-2.1{a} (for postgresql-9.1-postgis-2.0)
  postgresql-9.4-postgis-scripts{a} (for postgresql-9.1-postgis-2.0)
  postgresql-client-9.1{a} (for postgresql-9.1)
  postgresql-client-9.4{a} (for postgresql-9.1-postgis-2.0)
  postgresql-client-common{a} (for postgresql-9.1)
  postgresql-common{a} (for postgresql-9.1)
  postgresql-contrib-9.4{a} (for postgresql-9.1-postgis-2.0)
  proj-bin{a} (for postgresql-9.1-postgis-2.0)
  proj-data{a} (for postgresql-9.1-postgis-2.0)
  ssl-cert{a} (for postgresql-9.1)
The following packages will be upgraded:
  libpq5 (for postgresql-9.1-postgis-2.0)
1 packages upgraded, 79 newly installed, 0 to remove and 1 not upgraded.
Need to get 37.5 MB/51.3 MB of archives. After unpacking 176 MB will be used.
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------
 Романеев Василий
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skype romaneev