Upgrade apache or Not?

[pstanbra]

I see that on the latest version of Debian, there are now some updates to the apache files.
Will an apt-get upgrade on a running isp-control platform break anything to your knowledge?
OR should apache be left at its current setup as the standard 1.07 install

apache2
Apache HTTP Server metapackage New version 2.2.16-6+squeeze3 Squeeze
apache2-mpm-worke
Apache HTTP Server - high speed threaded model New version 2.2.16-6+squeeze3 Squeeze
apache2-suexec
Standard suexec program for Apache 2 mod_suexec New version 2.2.16-6+squeeze3 Squeeze
apache2-utils
utility programs for webservers New version 2.2.16-6+squeeze3 Squeeze
apache2.2-bin
Apache HTTP Server common binary files New version 2.2.16-6+squeeze3 Squeeze
apache2.2-common
Apache HTTP Server common files New version 2.2.16-6+squeeze3 Squeeze
ca-certificates Common CA certificates New version 20090814+nmu3 Squeeze