Increasing the volume of a file

Can someone, without changing the format of this file, increase the volume a bit for me. Not too much just a little bit.
http://~ Dead file host ~/sneyqsk81vs3
thanks
Answer #1
http://www36.zippyshare.com/v/88704545/file.html

Works out to about 15% increase in volume per 1dB
Answer #2
thank you so much