After installing rubygems1.9.1, gem -v still reports old version

[Isaac Raway]

After installing rubygems1.9.1 package in Ubuntu 10.04, the gem -v command continues to report that it is at 1.3.5.

iraway@mead:~$ sudo apt-get install rubygems1.9.1
Reading package lists... Done
Building dependency tree
Reading state information... Done
rubygems1.9.1 is already the newest version.
The following packages were automatically installed and are no longer required:
  linux-headers-2.6.32-21
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
iraway@mead:~$ gem -v
1.3.5

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: rubygems 1.3.5-1ubuntu2
ProcVersionSignature: Ubuntu 2.6.32-39.86-generic-pae 2.6.32.56+drm33.22
Uname: Linux 2.6.32-39-generic-pae i686
Architecture: i386
Date: Mon Mar 12 12:57:49 2012
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: libgems-ruby

[dino99 (9d9)]

That version is no more supported; and no expecting backport as it only concern 'security' problem.