diff --git a/Makefile b/Makefile
index 2de3088..6eea569 100644
--- a/Makefile
+++ b/Makefile
@@ -8,24 +8,34 @@ BUILDDIR=${SRCDIR}.tmp
 GITVERSION:=$(shell git rev-parse HEAD)
 
 DEB=${PACKAGE}_${DEB_VERSION_UPSTREAM_REVISION}_all.deb
+DSC=${PACKAGE}_${DEB_VERSION_UPSTREAM_REVISION}.dsc
 
 all: ${DEB}
 	@echo ${DEB}
 
-.PHONY: deb
-deb: ${DEB}
-${DEB}: | submodule
+${SRCDIR}/vnc.html: submodule
+${BUILDDIR}: $(SRCDIR)/vnc.html
 	rm -rf ${BUILDDIR}
 	cp -rpa ${SRCDIR} ${BUILDDIR}
 	cp -a debian ${BUILDDIR}
 	echo "git clone git://git.proxmox.com/git/novnc-pve.git\\ngit checkout ${GITVERSION}" > ${BUILDDIR}/debian/SOURCE
-	cd ${BUILDDIR}; dpkg-buildpackage -rfakeroot -b -uc -us
+
+.PHONY: deb
+deb: ${DEB}
+${DEB}: ${BUILDDIR}
+	cd ${BUILDDIR}; dpkg-buildpackage -b -uc -us
 	lintian ${DEB}
 	@echo ${DEB}
 
+.PHONY: dsc
+dsc: ${DSC}
+${DSC}: ${BUILDDIR}
+	cd ${BUILDDIR}; dpkg-buildpackage -S -uc -us -d
+	lintian ${DSC}
+
 .PHONY: submodule
 submodule:
-	test -f "${SRCDIR}/vnc.html" || git submodule update --init
+	git submodule update --init
 
 .PHONY: download
 download ${SRCDIR}:
diff --git a/debian/control b/debian/control
index cedc692..a5b8b8b 100644
--- a/debian/control
+++ b/debian/control
@@ -2,7 +2,7 @@ Source: novnc-pve
 Section: web
 Priority: optional
 Maintainer: Proxmox Support Team <support@proxmox.com>
-Build-Depends: debhelper (>= 10~),
+Build-Depends: debhelper (>= 11~),
                node-es6-module-transpiler,
                quilt,
 Standards-Version: 4.1.3
diff --git a/debian/patches/series b/debian/patches/series
index 1cc9d2a..c8affc6 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -9,4 +9,4 @@
 0009-decrease-animation-time.patch
 0010-use-only-app.js.patch
 0011-add-localCursor-setting-to-rfb.patch
-0012-pass-custom-command-to-vnc.patch
\ No newline at end of file
+0012-pass-custom-command-to-vnc.patch
diff --git a/debian/source/format b/debian/source/format
new file mode 100644
index 0000000..d3827e7
--- /dev/null
+++ b/debian/source/format
@@ -0,0 +1 @@
+1.0
diff --git a/debian/source/lintian-overrides b/debian/source/lintian-overrides
new file mode 100644
index 0000000..e2edfd4
--- /dev/null
+++ b/debian/source/lintian-overrides
@@ -0,0 +1 @@
+novnc-pve source: source-is-missing core/util/browser.js line length is *