diff -Nru ufoai-2.5/debian/changelog ufoai-2.5/debian/changelog
--- ufoai-2.5/debian/changelog	2017-05-07 16:50:58.000000000 +0000
+++ ufoai-2.5/debian/changelog	2018-12-14 14:52:28.000000000 +0000
@@ -1,3 +1,12 @@
+ufoai (2.5-4) unstable; urgency=medium
+
+  * Switch to compat level 11.
+  * Declare compliance with Debian Policy 4.2.1.
+  * Use canonical VCS URI.
+  * Replace configure command with dh_auto_configure.
+
+ -- Markus Koschany <apo@debian.org>  Fri, 14 Dec 2018 14:52:28 +0000
+
 ufoai (2.5-3) unstable; urgency=medium
 
   * Add segfault-reactionfire-mode-bug-861979.patch and fix the segmentation
diff -Nru ufoai-2.5/debian/compat ufoai-2.5/debian/compat
--- ufoai-2.5/debian/compat	2015-11-23 00:13:29.000000000 +0000
+++ ufoai-2.5/debian/compat	2018-12-14 14:52:28.000000000 +0000
@@ -1 +1 @@
-9
+11
diff -Nru ufoai-2.5/debian/control ufoai-2.5/debian/control
--- ufoai-2.5/debian/control	2015-11-23 00:13:29.000000000 +0000
+++ ufoai-2.5/debian/control	2018-12-14 14:52:28.000000000 +0000
@@ -6,7 +6,7 @@
  Markus Koschany <apo@debian.org>
 Build-Depends:
  bash-completion,
- debhelper (>= 9),
+ debhelper (>= 11),
  dpkg-dev (>= 1.17.1~),
  gettext,
  libcunit1-dev,
@@ -33,10 +33,10 @@
  texlive-latex-recommended,
  zip,
  zlib1g-dev
-Standards-Version: 3.9.6
+Standards-Version: 4.2.1
 Homepage: http://ufoai.org
-Vcs-Git: git://anonscm.debian.org/pkg-games/ufoai.git
-Vcs-Browser: https://anonscm.debian.org/cgit/pkg-games/ufoai.git
+Vcs-Git: https://salsa.debian.org/games-team/ufoai.git
+Vcs-Browser: https://salsa.debian.org/games-team/ufoai
 
 Package: ufoai
 Architecture: any
diff -Nru ufoai-2.5/debian/copyright ufoai-2.5/debian/copyright
--- ufoai-2.5/debian/copyright	2016-01-12 22:11:55.000000000 +0000
+++ ufoai-2.5/debian/copyright	2018-12-14 14:52:28.000000000 +0000
@@ -1,6 +1,5 @@
-Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: UFO Alien Invasion
-Upstream-Contact: Martin Gerhardy <mattn>
 Source: http://sourceforge.net/projects/ufoai/
 
 Files: *
@@ -76,7 +75,7 @@
 License: zlib
 
 Files: debian/*
-Copyright: 2013-2015, Markus Koschany <apo@debian.org>
+Copyright: 2013-2018, Markus Koschany <apo@debian.org>
 License: GPL-2+
 
 License: GFDL-1.2
diff -Nru ufoai-2.5/debian/rules ufoai-2.5/debian/rules
--- ufoai-2.5/debian/rules	2017-05-07 16:44:39.000000000 +0000
+++ ufoai-2.5/debian/rules	2018-12-14 14:52:28.000000000 +0000
@@ -13,7 +13,7 @@
 include /usr/share/dpkg/buildflags.mk
 
 %:
-	dh $@ --parallel --with bash-completion
+	dh $@ --with bash-completion
 
 override_dh_auto_configure:
 	./configure \
diff -Nru ufoai-2.5/debian/ufoai_copyright.py ufoai-2.5/debian/ufoai_copyright.py
--- ufoai-2.5/debian/ufoai_copyright.py	2015-11-23 00:13:29.000000000 +0000
+++ ufoai-2.5/debian/ufoai_copyright.py	2018-12-14 14:52:28.000000000 +0000
@@ -1,7 +1,7 @@
 #!/usr/bin/python3
 # -*- coding: utf-8 -*-
 '''
-Copyright 2013-2015, Markus Koschany <apo@gambaru.de>
+Copyright 2013-2018, Markus Koschany <apo@debian.org>
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -55,7 +55,7 @@
         "License: GPL-2+\n"
         "\n\n"
         "Files: debian/*\n"
-        "Copyright: 2013-2015, Markus Koschany <apo@gambaru.de>\n"
+        "Copyright: 2013-2015, Markus Koschany <apo@debian.org>\n"
         "License: GPL-2+\n"
         "\n\n")
     return head