To change your password simply login to My Account and then Change My Sign In Details.  

Enter the details requested in all boxes.  Click on continue and your password will be updated.

If you cannot login because you have forgotten your existing password please visit the Dobies website and go to My Account. Click on "Lost password" and enter your email address in the box provided. You will be sent an email with a reset link.  Once you click on the link you will be required to enter your new password.