Currently, yum info httpd
displays the following:
$ yum info httpd
Loaded plugins: aliases, changelog, fastestmirror, kabi, presto, refresh-packagekit, security, tmprepo, verify, versionlock
Loading support for CentOS kernel ABI
Loading mirror speeds from cached hostfile
* base: repos-lax.psychz.net
* centos-sclo-rh: mirror.chpc.utah.edu
* centos-sclo-sclo: mirror.centos.lax1.serverforge.org
* epel: d2lzkl7pfhq30w.cloudfront.net
* extras: mirror.keystealth.org
* updates: mirror.arizona.edu
Installed Packages
Name : httpd
Arch : x86_64
Version : 2.2.15
Release : 69.el6.centos
Size : 3.0 M
Repo : installed
From repo : base
Summary : Apache HTTP Server
URL : http://httpd.apache.org/
License : ASL 2.0
Description : The Apache HTTP Server is a powerful, efficient, and extensible web server.
Although it still wasn't the right version, I was able to update to Apache/2.4.34 (Red Hat), or so I thought? Upon rebooting, it reverted back to 2.2.15