osx - Sparkle framework downloads and updates but actually not -

osx - Sparkle framework downloads and updates but actually not -

i've integrated sparkle framework cocoa app (macos x 10.9.5). while testing updates, sparkle reports there update available (i'm using appcast), downloads , restarts app. upon launching still have old version of app. problem?

here logs console during update:

2014-10-09 16:45:20.946 ndncon[14647:507] sparkle: ===== ndncon.app ===== 2014-10-09 16:45:21.491 ndncon[14647:507] invalid color system, labelcolor (warning given once) 2014-10-09 16:45:26.824 ndncon[14647:14203] sparkle: extracting /users/peetonn/library/application support/ndncon/.sparkle/ndncon 2/v0.1.1.zip using 'ditto -x -k - "$destination"' 2014-10-09 16:45:32.548 ndncon[14647:507] sparkle: host app not signed using apple code signing, , hence cannot verify updates way. sparkle utilize dsa signature instead. 2014-10-09 16:45:32.618 ndncon[14647:507] terminating...

osx cocoa sparkle