Mac Rumors posted a story that Apple today seeded a new version of OS X Lio 10.7.5 to developers for testing

The new version, Build 11G45, arrives less than two weeks after the previous seed, and the build increment of nine suggests that Apple has been continuing to make a number of tweaks to the update in preparation for a public launch.

  OS X Lion 10.7.5 Build 11G45 Seeded to Developers