Google play store reject app

[go2hyder]

When I upload my app to play store getting this error

Your app utilises a version of Vitamio, a multimedia library used for playing various types of media files, containing a security vulnerability.

Please upgrade your app(s) as soon as possible and increment the version number of the upgraded APK. Beginning 14 March 2016, Google Play will block publishing of any new apps or updates that use pre-5.0 versions of Vitamio.