diff --git a/debian/changelog b/debian/changelog
index 71462fed88f51c895e940aa66c7db6dced500af2..ae24efca62b32bb04ea9a3fa54169dc2f9547526 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,6 +6,10 @@ lightdm (1.26.0-7) UNRELEASED; urgency=medium
 
   [ Debian Janitor ]
   * Apply multi-arch hints.
+  * Trim trailing whitespace.
+  * Bump debhelper from old 11 to 12.
+  * Set upstream metadata fields: Bug-Database, Bug-Submit, Repository,
+    Repository-Browse.
 
  -- Yves-Alexis Perez <corsac@debian.org>  Sun, 24 Nov 2019 18:38:08 +0100
 
@@ -127,8 +131,8 @@ lightdm (1.18.3-3) unstable; urgency=medium
     - replace libgcrypt11-dev by libgcrypt20-dev.               closes: #864121
     - update standards version to 4.0.0.
     - move gir1.2-lightdm-1 to section introspection.
-    - add dependency on gir1.2-lightdm-1 to liblightdm-gobject-dev. 
-    - add dependency on ${gir:Depends} to gir1.2-lightdm-1. 
+    - add dependency on gir1.2-lightdm-1 to liblightdm-gobject-dev.
+    - add dependency on ${gir:Depends} to gir1.2-lightdm-1.
 
  -- Yves-Alexis Perez <corsac@debian.org>  Sun, 18 Jun 2017 19:46:04 +0200
 
@@ -191,7 +195,7 @@ lightdm (1.18.2-1) unstable; urgency=medium
   * New upstream bugfix release.
   * debian/control:
     - update standards version to 3.9.8.
-    - run wrap-and-sort 
+    - run wrap-and-sort
 
  -- Yves-Alexis Perez <corsac@debian.org>  Tue, 28 Jun 2016 21:43:15 +0200
 
@@ -216,7 +220,7 @@ lightdm (1.16.7-1) unstable; urgency=medium
   * debian/control:
     - make libaudit-dev build-dep linux-only, fix FTBFS on !linux.
                                                                 closes: #815343
-    - update standards version to 3.9.7. 
+    - update standards version to 3.9.7.
 
  -- Yves-Alexis Perez <corsac@debian.org>  Mon, 22 Feb 2016 13:20:36 +0100
 
@@ -643,7 +647,7 @@ lightdm (1.4.0-1) experimental; urgency=low
     - add build-dep on itstool.
   * debian/lightdm.install:
     - stop installing lightdm upstart script since it's broken. closes: #679409
-    - install /u/s/help.* 
+    - install /u/s/help.*
     - install PAM files
   * debian/rules:
     - stop installing own PAM files.
@@ -858,7 +862,7 @@ lightdm (0.9.6-1) unstable; urgency=low
   * debian/patches:
     - 01_set-default-path, 02_default-config, 03_quit-plymouth,
       04_default-gtk-greeter-config refreshed.
-    - 05_always-export-XAUTHORITY dropped, included upstream. 
+    - 05_always-export-XAUTHORITY dropped, included upstream.
     - 05_dont-add-pkglibexecdir-path added, don't add /usr/lib/lightdm/lightdm
       to the PATH, it's ugly.
   * debian/rules:
diff --git a/debian/control b/debian/control
index 89449dc934f04b0e6287321ca5e387a2a334fe5b..e1cb097f0f747124ea29670518fd65125a7e48fa 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Section: x11
 Priority: optional
 Maintainer: Debian Xfce Maintainers <debian-xfce@lists.debian.org>
 Uploaders: Yves-Alexis Perez <corsac@debian.org>
-Build-Depends: debhelper-compat (= 11),
+Build-Depends: debhelper-compat (= 12),
                dpkg-dev (>= 1.16.1),
                gobject-introspection,
                gtk-doc-tools,
diff --git a/debian/upstream/metadata b/debian/upstream/metadata
new file mode 100644
index 0000000000000000000000000000000000000000..2624b8da86a270d2d4d23738fb7ccd0719bc89ed
--- /dev/null
+++ b/debian/upstream/metadata
@@ -0,0 +1,4 @@
+Bug-Database: https://bugs.launchpad.net/lightdm
+Bug-Submit: https://bugs.launchpad.net/lightdm/+filebug
+Repository: https://github.com/CanonicalLtd/lightdm.git
+Repository-Browse: https://github.com/CanonicalLtd/lightdm