# Upgrade from 4.3 to 4.4
This is a minor update to fix issues related to newer version of PHP 5.6 and support for Flash for file uploads.
Apply patch to upgrade
- Make a backup of your existing NADA folders. If complete backup is not possible, backup the
- Download the patch zip file: http://ihsn.org/download/nada43-patch-flash-n-php56.zip (opens new window)
- Unzip the patch files in the NADA root folder to replace existing files