How to Upgrade php 5.4 to 5.5 in Custom build 2.0

[alipour66m]

Hi
I want to upgrade my php 5.4 to 5.5 with these config in option.conf

#PHP Settings
php1_release=5.4
php1_mode=mod_php
php2_release=no
php2_mode=php-fpm
opcache=no
htscanner=no
php_ini=no
php_timezone=Asia/Tehran
php_ini_type=production
ioncube=yes
zend=yes
suhosin=no
x_mail_header=yes

please help me with best steps
thanks

 

[smtalk]

cd /usr/local/directadmin/custombuild
./build set php1_release 5.5
./build php n