Upgrade a package on CentOS using the yum replace plugin
The yum-plugin-replace package can be installed and used to replace one installed package with another.
First, install the yum-plugin-replace package
$ yum install yum-plugin-replace
Now you should be able to use the replace and --replace-with flag.
The example below will replace the php-common package with the php55w-common package.
$ yum replace php-common --replace-with=php55w-common