1) dget http://ctu.iuculano.it/chromium11/chromium-browser_11.0.696.68~r84545-1.dsc 2) bzr branch http://bzr.debian.org/pkg-chromium/chromium-browser/chromium-browser.sid 3) cd chromium-browser.sid 4) sudo mk-build-deps -ir bzr-buildpackage --merge -S -e cd ../build-area/chromium-browser-11.0.696.68~r84545/ rm -fr debian ln -s ../../chromium-browser.sid/debian . quilt pop -a quilt push system_v8 e src/third_party/WebKit/Source/WebCore/WebCore.gyp/WebCore.gyp quilt refresh dch -llindi0 cd ../../chromium-browser.sid/ bzr commit debian/changelog -m 'Update changelog' bzr-buildpackage --merge -S cd .. debdiff chromium-browser_11.0.696.68~r84545-1.dsc chromium-browser_11.0.696.68~r84545-1lindi0.dsc ok but only debian/ is in version control? yes you need the tar.bz2 in ../ debsnap -v --force -d .. chromium-browser $(dpkg-parsechangelog | grep Version | awk '{print $2}') bzr-buildpackage --merge if you want generate a source only upload (the .dsc and the tar.gz: bzr-buildpackage --merge -S and if you want to regenerate the source tree bzr-buildpackage --merge -S -e --icf=safe --threads