build@STTI-TC1:~$ sudo apt-cache policy libexpat1 libgraphite2-3
libexpat1:
  Installed: 2.1.0-6+deb8u3
  Candidate: 2.1.0-6+deb8u4
  Version table:
     2.1.0-6+deb8u4 0
        500 http://security.debian.org/ jessie/updates/main amd64 Packages
 *** 2.1.0-6+deb8u3 0
        500 http://mirror.it.ubc.ca/debian/ jessie/main amd64 Packages
        500 http://deb.debian.org/debian/ jessie/main amd64 Packages
        100 /var/lib/dpkg/status
libgraphite2-3:
  Installed: 1.3.6-1~deb8u1
  Candidate: 1.3.10-1~deb8u1
  Version table:
     1.3.10-1~deb8u1 0
        500 http://security.debian.org/ jessie/updates/main amd64 Packages
 *** 1.3.6-1~deb8u1 0
        500 http://mirror.it.ubc.ca/debian/ jessie/main amd64 Packages
        500 http://deb.debian.org/debian/ jessie/main amd64 Packages
        100 /var/lib/dpkg/status