diff --git a/debian/compat b/debian/compat
index ec63514..b1bd38b 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-9
+13
diff --git a/debian/control b/debian/control
index 2687269..6fa26f8 100644
--- a/debian/control
+++ b/debian/control
@@ -2,15 +2,15 @@ Source: knockd
 Section: net
 Priority: optional
 Maintainer: Leo Antunes <costela@debian.org>
-Build-Depends: debhelper (>= 9.20160709~), autotools-dev, libpcap0.8-dev
-Standards-Version: 3.9.8
+Build-Depends: debhelper (>= 13), autotools-dev, libpcap0.8-dev
+Standards-Version: 4.6.0.1
 Homepage: http://www.zeroflux.org/projects/knock
-VCS-Git: git://salsa.debian.org/debian/knockd.git
+Vcs-Git: git://salsa.debian.org/debian/knockd.git
 Vcs-Browser: https://salsa.debian.org/debian/knockd
 
 Package: knockd
 Architecture: any
-Depends: ${shlibs:Depends}, ${misc:Depends}, logrotate, lsb-base (>= 3.0-6)
+Depends: ${shlibs:Depends}, ${misc:Depends}, logrotate, lsb-base (>= 11.0.0)
 Description: small port-knock daemon
  A port-knock server that listens to all traffic on a given network
  interface (only Ethernet and PPP are currently supported), looking for
diff --git a/debian/copyright b/debian/copyright
index 6508f8f..fa22cd5 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,10 +1,14 @@
-This package was originally debianized by Leo Costela <costela@debian.org> on Wed, 14 Apr 2004 22:52:04 +0300.
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: knock
+Upstream-Contact: Judd Vinet <jvinet@zeroflux.org>
+Source: https://github.com/jvinet/knock
+Files-Excluded:
+  .git
 
-Original source has been downloaded from
-http://www.zeroflux.org/knock/
+Files: *
+Copyright: 2004-2021 Judd Vinet <jvinet@zeroflux.org>
+License: GPL-2
 
-Copyright:
- Copyright (C) 2004 Judd Vinet <jvinet@zeroflux.org>
-
-A copy of the GNU General Public License, version 2, can be found in
-/usr/share/common-licenses/GPL-2.
+Files: debian/*
+Copyright: 2004-2021 Leo Antunes <costela@debian.org>
+License: GPL-2
diff --git a/debian/watch b/debian/watch
index 780045c..4414fbf 100644
--- a/debian/watch
+++ b/debian/watch
@@ -1,3 +1,3 @@
 version=4
-
-http://www.zeroflux.org/proj/knock/ files/knock@ANY_VERSION@@ARCHIVE_EXT@ debian uupdate
+opts=filenamemangle=s/.+\/v?(\d\S+)\.tar\.gz/knock-$1\.tar\.gz/ \
+  https://github.com/jvinet/knock/tags .*/v?(\d\S+)\.tar\.gz