[CentOS] Problem with "yum update"

Hi,
I am trying to update my system with yum and I keep getting this
error message.
Thank you,
Joe


Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
  * base: centos.mirror.lstn.net
  * epel: fedora-epel.mirror.lstn.net
  * extras: centos.mirror.lstn.net
  * rpmforge: mirror.hmc.edu
  * rpmforge-extras: mirror.hmc.edu
  * rpmforge-testing: mirror.hmc.edu
  * updates: centos.mirror.lstn.net
Setting up Update Process
Resolving Dependencies
--> Running transaction check
---> Package perl-Compress-Zlib.i686 0:2.020-131.el6_4 will be obsoleted
---> Package perl-IO-Compress.noarch 0:2.052-1.el6.rfx will be obsoleting
--> Processing Dependency: perl(Compress::Raw::Bzip2) = 2.052 for 
package: perl-IO-Compress-2.052-1.el6.rfx.noarch
--> Processing Dependency: perl(Compress::Raw::Zlib) = 2.052 for 
package: perl-IO-Compress-2.052-1.el6.rfx.noarch
---> Package perl-IO-Compress-Base.i686 0:2.020-131.el6_4 will be obsoleted
---> Package perl-IO-Compress-Zlib.i686 0:2.020-131.el6_4 will be obsoleted
--> Running transaction check
---> Package perl-Compress-Raw-Bzip2.i686 0:2.052-1.el6.rf will be installed
---> Package perl-IO-Compress.noarch 0:2.052-1.el6.rfx will be obsoleting
--> Processing Dependency: perl(Compress::Raw::Zlib) = 2.052 for 
package: perl-IO-Compress-2.052-1.el6.rfx.noarch
--> Finished Dependency Resolution
  You could try using --skip-broken to work around the problem
  You could try running: rpm -Va --nofiles --nodigest