yum install name.rpm can not auto complete

[ghost]

yum install name.rpm can not auto complete.

there is a rpm package file in my home directory,
i want install it using yum install,

but the auto complete does not working.

rpm -Uvh examp
then type tab key, the auto complete working .

but when i type

yum install examp
and type tab key, nothing works.

[ghost]

My dev box is CentOS 6.5 x64.

with ZSH 5.0.6 and Oh-my-zsh master branch

[mcornella]

yum completion is provided by zsh itself. Try a newer version.