how to change luks password

[Klearchos-Angelos Gkountras]

In my machine I have 
/dev/sda1 -> boot partition 
/dev/sda2 -> swap encrypted
/dev/sda3 -> root partition encrypted 
and one extented partition 
/dev/sda5 -> encrypted . 

how to change the password for thesse partition or I will do that
manually one-by-one ? 

thanks
-- 
Klearchos-Angelos Gkountras <kleagkou(a)gmail.com&gt;