Apple has posted a SuperDrive Firmware update for MacBooks and MacBook Pros, bringing it to version 2.1.

Here is the description provided by Apple for this update:

About SuperDrive Firmware Update 2.1
The SuperDrive Update improves readability of certain CD media. The updater application will be installed in the /Applications/Utilities folder. Please follow the instructions in the updater application to complete the update process.

This update requires Mac OS X 10.4.4 and works on both Core Duo and Core 2 Duo based MacBooks and MacBook Pros.

You can download this update through Apple's support web site [1].