PSE11 will not be updated and the 8.5 update for PSE12 is not yet available. You could download and install the free Adobe DNG converter to convert your raw files to the Adobe universal Raw format and the files will open in PSE11(keep your originals as backups and for use in the camera manufactures software)
Windows download (.exe file) click here DNG Converter 8.5
Mac download (.dmg file) click here DNG Converter 8.5
You can convert a whole folder of raw images in one click. See this quick video tutorial: