Installing a previous version of a package when you don't have the .deb available?

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http://askubuntu.com – Same question as how-to-downgrade-a-package-via-apt-get, except what if it's on a newly deployed server and the archived .deb is not there? For example, https://launchpad.net/ubuntu/precise/amd64/wget tells me the previous version is 1.13.4-1ubuntu2, and I have 1.13.4-2ubuntu installed: $ dpkg -l | grep wget ii wget 1.13.4-2ubuntu1 retrieves files from the web When I try to force the version: vagrant@es2:~$ sudo apt-get install wget=1.13.4-1ubuntu2 Reading package lists... Done Building dependency tree Reading state information... Done E: Vers (HowTos)