Example for Selenium 2.43.1
dpkg -l | grep '^ii' | grep firefox
#=> firefox 32.0.3+build1-0ubuntu0.14.04.1 amd64
#=> firefox-locale-en 32.0.3+build1-0ubuntu0.14.04.1 amd64
dpkg -l | grep '^ii' | grep google-chrome-stable
#=> google-chrome-stable 37.0.2062.120-1 amd64
http://www.ubuntuupdates.org/pm/google-chrome-stable
http://www.ubuntuupdates.org/pm/firefox https://github.com/leipreachan/docker-selenium/blob/968534a816565102fbfcc6a1973c06b7ad5e9174/firefox/Dockerfile#L10 ftp://ftp.mozilla.org/pub/mozilla.org/firefox/releases/32.0.3/linux-x86_64/ ftp://ftp.mozilla.org/pub/mozilla.org/firefox/releases/32.0.3/linux-x86_64/en-US/