[CentOS] centos4 server, centosplus and perl update

Greetings

One production box we have deployed is a yum current centos 4.4

Im thinking we should move to perl 5.8.8 in regards to Spamassassin among
some other items...

Would someone please tell me from experience if do the command below of

yum --enablerepo=centosplus update perl*

Q:  will I get everything I need for this exercise or should I be looking to
get some other supporting packages from the centosplus repo as well?

Thanks and kind regards,

 - rh

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