use the patchlevel for default cache
use the patchlevel for default cache

pietrop/heroku-buildpack-ruby,wakermahmud/heroku-buildpack-jekyll,cloudControl/buildpack-ruby,fgbreel/heroku-buildpack-ruby,shuber/heroku-buildpack-ruby,lyoshenka/heroku-buildpack-ruby-jekyll,ibmdb/db2rubybuildpack,orenyk/heroku-buildpack-ruby,dleavitt/heroku-buildpack-ruby,awebneck/heroku-buildpack-canvas,lyoshenka/heroku-buildpack-ruby-jekyll,mrhenry/heroku-buildpack-ruby,pietrop/heroku-buildpack-ruby,redhotvengeance/heroku-buildpack-deep-thought,dtao/teeny-buildpack,trumaker/heroku-buildpack-turbo-sprockets,catalyzeio/buildpack-ruby,DigitalInnovation/heroku-buildpack-mslabs,0x00evil/heroku-buildpack-ruby,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,cloudn/buildpack-ruby,instacart/heroku-buildpack-ruby,tenjikinc/heroku-buildpack-ruby,crdschurch/heroku-buildpack-ruby,trumaker/heroku-buildpack-turbo-sprockets,tpope/heroku-buildpack-ruby-tpope,Git-Host/prelang-buildpack,erintherad/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk-new,takii/db2rubybuildpack,ndbroadbent/heroku-buildpack-turbo-sprockets,Jonty/ruby-buildpack,DouglasAllen/heroku-buildpack-ruby,rowanoulton/heroku-buildpack-ruby,jayshreeanand/heroku-buildpack-ruby,recursecenter/heroku-buildpack-ruby,qstream/heroku-buildpack-ruby,dlorson/gentle-buildpack,allomov/fat-free-heroku-buildpack-ruby,iamjarvo/ruby-buildpack,Git-Host/prelang-buildpack,dleavitt/heroku-buildpack-ruby,Jonty/ruby-buildpack,jumptvs/BP_Ruby,zoomer/heroku-buildpack-ruby-bower,anay/buildpack-ruby-with-oracle-jdk,scottatron/moc-buildpack,hixi/heroku-buildpack-ruby,cloudn/buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,engineyard/heroku-buildpack-ruby,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,leonardykris/mos-ruby-buildpack,bskyb-commerce/ruby-buildpack,teodor-pripoae/heroku-buildpack-ruby,orlando/heroku-buildpack-ruby,zunda/heroku-buildpack-ruby,Altoros/ruby-buildpack,bskyb-commerce/ruby-buildpack,zoomer/heroku-buildpack-ruby-bower,sky-uk/ruby-buildpack,ilpoldo/heroku-buildpack-ruby,zidekmat/buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,fcruxen/ruby-buildpack,hellojustin/heroku-buildpack-custom-ruby,musicglue/heroku-buildpack-ruby,vhx/heroku-buildpack,stefansundin/heroku-buildpack-ruby,andycroll/heroku-buildpack-jekyll,cmaggard/heroku-buildpack-turbo-sprockets,cloudn/buildpack-ruby,mrhenry/heroku-buildpack-ruby,moneyadviceservice/heroku-buildpack-ruby-bowndler,sky-uk/help-heroku-buildpack,ericroberts/heroku-buildpack-ruby,jonseaberg/heroku-buildpack-turbo-sprockets,sky-uk/ruby-buildpack,musicglue/heroku-buildpack-ruby,bskyb-commerce/help-heroku-buildpack,gbenedict/heroku-buildpack-ruby,recursecenter/heroku-buildpack-ruby,CPPWind/ruby-buildpack,ericboehs/heroku-buildpack-ruby,ascot21/heroku-buildpack-turbo-sprockets,electricobjects/heroku-buildpack-ruby,hpcloud/ruby-buildpack,ndbroadbent/heroku-buildpack-turbo-sprockets,stolt45/heroku-buildpack-ruby-with-sqlite3,Scalingo/ruby-buildpack,cordata/heroku-buildpack-ruby,phusion/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,Altoros/ruby-buildpack,crdschurch/heroku-buildpack-ruby,ibmdb/db2rubybuildpack,pilotcreative/heroku-buildpack-ruby,phusion/heroku-buildpack-ruby,sstelfox/buildpack-ruby,dieze/heroku-buildpack-ruby-hooks,aarongray/heroku-buildpack-ruby,Jonty/ruby-buildpack,stefansundin/heroku-buildpack-ruby,codykrieger/heroku-buildpack-jekyll,d-reinhold/cf-buildpack-ruby,ltrademark/heroku-buildpack-ruby,blueapron/heroku-buildpack-ruby,samfrench/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,ilpoldo/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,ablease/custom-buildpack,mintybit/heroku-buildpack-ruby,Micka33/heroku-buildpack-ruby-liblua,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,mperejda/heroku-buildpack-ruby,packetmonkey/heroku-buildpack-ruby,icelab/heroku-buildpack-ruby,space150/heroku-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,jasonlevens/heroku-buildpack-ruby,gbenedict/heroku-buildpack-ruby,amaltson/heroku-buildpack-ruby,pkgr/heroku-buildpack-ruby,ekaranto/rails4-bluemix-buildpack,bwaite-jaroop/heroku-buildpack-ruby,mintybit/heroku-buildpack-ruby,heroku/heroku-buildpack-ruby,sky-uk/ruby-buildpack,Altoros/ruby-buildpack,rvizza/heroku-buildpack-gsl-ruby,blueapron/heroku-buildpack-ruby,takii/heroku-buildpack-ruby,cloudn/buildpack-ruby,iamjarvo/ruby-buildpack,mattmanning/heroku-buildpack-ruby-jekyll,tpope/heroku-buildpack-ruby-tpope,andycroll/heroku-buildpack-jekyll,hpcloud/ruby-buildpack,jeremyvdw/heroku-buildpack-ruby-jekyll,bskyb-commerce/ruby-buildpack,heroku/heroku-buildpack-ruby,DouglasAllen/heroku-buildpack-ruby,brightbytes/heroku-buildpack-ruby-without-assets-precompile,michaelphines/alexa-nest,cloudfoundry/ruby-buildpack,schu/buildpack-testing,makifund/heroku-buildpack-ruby,brightbytes/heroku-buildpack-ruby-without-assets-precompile,tdenovan/heroku-buildpack-ruby,allomov/fat-free-heroku-buildpack-ruby,KoanHealth/heroku-buildpack-marvin-setup,swipesense/heroku-buildpack-ruby,bskyb-commerce/help-heroku-buildpack,CPPWind/ruby-buildpack,zidekmat/buildpack-ruby,dtao/deft-buildpack-ruby,fgbreel/heroku-buildpack-ruby,bellycard/heroku-buildpack-ruby,HYPERHYPER/heroku-buildpack-ruby,hpcloud/ruby-buildpack,takii/db2rubybuildpack,michaelphines/alexa-nest,donnykurnia/heroku-buildpack-ruby,mattwalters/heroku-buildpack-ruby,hpcloud/ruby-buildpack,awebneck/heroku-buildpack-canvas,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,hixi/heroku-buildpack-ruby,ekaranto/rails4-bluemix-buildpack,takii/db2rubybuildpack,jonasoberschweiber/heroku-buildpack-ruby,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,qstream/heroku-buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,hellojustin/heroku-buildpack-custom-ruby,gls1/heroku-buildpack-ruby-pdftk,samfrench/heroku-buildpack-ruby,anay/buildpack-ruby-with-oracle-jdk,cordata/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,ablease/custom-buildpack,0x00evil/heroku-buildpack-ruby,fcruxen/ruby-buildpack,orenyk/heroku-buildpack-ruby,Altoros/ruby-buildpack,ruby/heroku-buildpack-www-ruby-lang,schu/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,stolt45/heroku-buildpack-ruby-with-sqlite3,derrek/heroku-buildpack-ruby,dlorson/gentle-buildpack,Genius/heroku-buildpack-ruby,jayshreeanand/heroku-buildpack-ruby,leonardykris/mos-ruby-buildpack,simonnordberg/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,rvizza/heroku-buildpack-gsl-ruby,electricobjects/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk-new,barakav/heroku-buildpack-ruby,jgable/buildpack-ruby-rack-setup-tasks,qnyp/heroku-buildpack-ruby-bower,beydogan/ruby-buildpack,derrek/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,fcruxen/ruby-buildpack,pkgr/heroku-buildpack-ruby,ablease/custom-buildpack,ascot21/heroku-buildpack-turbo-sprockets,icelab/heroku-buildpack-ruby,tomwolfe/heroku-buildpack-gsl-ruby,makifund/heroku-buildpack-ruby,dtao/deft-buildpack-ruby,wakermahmud/heroku-buildpack-jekyll,codykrieger/heroku-buildpack-jekyll,DyegoCosta/heroku-buildpack-ruby,mperejda/heroku-buildpack-ruby,reesio/heroku-buildpack-ruby,reesio/heroku-buildpack-ruby,ericroberts/heroku-buildpack-ruby,catalyzeio/buildpack-ruby,DigitalInnovation/heroku-buildpack-mslabs,cloudControl/buildpack-ruby,redhotvengeance/heroku-buildpack-deep-thought,diasks2/heroku-buildpack-mecab,diasks2/heroku-buildpack-mecab,ekaranto/rails4-bluemix-buildpack,bwaite-jaroop/heroku-buildpack-ruby,teodor-pripoae/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,rowanoulton/heroku-buildpack-ruby,beydogan/ruby-buildpack,schu/heroku-buildpack-ruby,sky-uk/ruby-buildpack,jasonlevens/heroku-buildpack-ruby,CPPWind/ruby-buildpack,engineyard/heroku-buildpack-ruby,tenjikinc/heroku-buildpack-ruby,schu/buildpack-testing,Jonty/ruby-buildpack,Scalingo/ruby-buildpack,guidance-guarantee-programme/heroku-buildpack-princexml-old,aarongray/heroku-buildpack-ruby,bellycard/heroku-buildpack-ruby,ChefSteps/heroku-buildpack-ruby,HYPERHYPER/heroku-buildpack-ruby,swipesense/heroku-buildpack-ruby,packetmonkey/heroku-buildpack-ruby,fcruxen/ruby-buildpack,daltonrenaldo/heroku-buildpack-ruby,righi/instacart-heroku-buildpack,amaltson/heroku-buildpack-ruby,mattmanning/heroku-buildpack-ruby-jekyll,dieze/heroku-buildpack-ruby-hooks,pilotcreative/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,ltrademark/heroku-buildpack-ruby,takii/heroku-buildpack-ruby,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,daltonrenaldo/heroku-buildpack-ruby,jonasoberschweiber/heroku-buildpack-ruby,ChefSteps/heroku-buildpack-ruby,CPPWind/ruby-buildpack,tomwolfe/heroku-buildpack-gsl-ruby,zunda/heroku-buildpack-ruby,KoanHealth/heroku-buildpack-marvin-setup,sky-uk/help-heroku-buildpack,jumptvs/BP_Ruby,hatofmonkeys/ruby-testing-buildpack,tdenovan/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk,ablease/custom-buildpack,jonseaberg/heroku-buildpack-turbo-sprockets,takii/db2rubybuildpack,sstelfox/buildpack-ruby,ekaranto/rails4-bluemix-buildpack,jumptvs/BP_Ruby,ibmdb/db2rubybuildpack,phusion/heroku-buildpack-ruby,cmaggard/heroku-buildpack-turbo-sprockets,jeremyvdw/heroku-buildpack-ruby-jekyll,vhx/heroku-buildpack,simonnordberg/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,scottatron/moc-buildpack,Micka33/heroku-buildpack-ruby-liblua,righi/instacart-heroku-buildpack,orlando/heroku-buildpack-ruby,shuber/heroku-buildpack-ruby,donnykurnia/heroku-buildpack-ruby,jgable/buildpack-ruby-rack-setup-tasks,mattwalters/heroku-buildpack-ruby,dtao/teeny-buildpack,space150/heroku-buildpack-ruby,guidance-guarantee-programme/heroku-buildpack-princexml-old,instacart/heroku-buildpack-ruby,DyegoCosta/heroku-buildpack-ruby,jumptvs/BP_Ruby,moneyadviceservice/heroku-buildpack-ruby-bowndler,ericboehs/heroku-buildpack-ruby,barakav/heroku-buildpack-ruby,erintherad/heroku-buildpack-ruby