Versioning compressed_app

gistfile1.txt

~/src/our-boxen[master*]% boxen --debug
Boxen's master branch is out of sync, won't auto-update!
/opt/boxen/repo/bin/puppet apply --group admin --confdir /tmp/boxen/puppet/conf --vardir /tmp/boxen/puppet/var --libdir /opt/boxen/repo/lib --libdir /opt/boxen/repo/.bundle/ruby/1.8/gems/boxen-1.0.1/lib --manifestdir /opt/boxen/repo/manifests --modulepath /opt/boxen/repo/modules:/opt/boxen/repo/shared --logdest /opt/boxen/repo/log/boxen.log --logdest console --no-report --detailed-exitcodes --show_diff --debug /opt/boxen/repo/manifests/site.pp
...
Debug: Prefetching compressed_app resources for package
Debug: Executing 'curl 'http://cyberduck.ch/Cyberduck-4.1.3.zip' -L -q -o '/opt/boxen/cache/Cyberduck-4.1.3.app.zip''
Debug: Executing 'rm -rf '/Applications/Cyberduck-4.1.3.app''
Debug: Executing '/usr/bin/unzip -o '/opt/boxen/cache/Cyberduck-4.1.3.app.zip' -d /Applications'
Debug: Executing '/usr/sbin/chown -R chris:admin /Applications/Cyberduck-4.1.3.app'
Notice: /Stage[main]/Cyberduck/Package[Cyberduck-4.1.3]/ensure: created
Debug: /Stage[main]/Cyberduck/Package[Cyberduck-4.1.3]: The container Class[Cyberduck] will propagate my refresh event
Debug: Class[Cyberduck]: The container Stage[main] will propagate my refresh event
...
Debug: Finishing transaction 2207929660
Debug: Storing state
Debug: Stored state in 0.09 seconds
~/src/our-boxen[master*]% vi Puppetfile
~/src/our-boxen[master*]% boxen
Boxen's master branch is out of sync, won't auto-update!
Notice: /Stage[main]/Cyberduck/Package[Cyberduck-4.2]/ensure: created
~/src/our-boxen[master*]% vi Puppetfile
~/src/our-boxen[master*]% boxen
Boxen's master branch is out of sync, won't auto-update!
Notice: /Stage[main]/Cyberduck/Package[Cyberduck-4.2.1]/ensure: created

I have exactly the same error. How did you fix this? Thanks in advance.