diff --git a/debian/changelog b/debian/changelog
index 866e0d2..bc86dda 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,12 @@
+minetest-mod-mobs-redo (20181016-2) UNRELEASED; urgency=low
+
+  * Refer to common license file for CC0-1.0.
+  * Bump debhelper from old 11 to 12.
+  * Set debhelper-compat version in Build-Depends.
+  * Set upstream metadata fields: Repository.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Mon, 20 Jul 2020 21:43:50 -0000
+
 minetest-mod-mobs-redo (20181016-1) unstable; urgency=medium
 
   * Initial release. (Closes: #911212)
diff --git a/debian/compat b/debian/compat
deleted file mode 100644
index b4de394..0000000
--- a/debian/compat
+++ /dev/null
@@ -1 +0,0 @@
-11
diff --git a/debian/control b/debian/control
index 6dbf91a..77f78cd 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Section: games
 Priority: optional
 Maintainer: Debian Games Team <pkg-games-devel@lists.alioth.debian.org>
 Uploaders: Julien Puydt <jpuydt@debian.org>
-Build-Depends: debhelper (>= 11)
+Build-Depends: debhelper-compat (= 12)
 Standards-Version: 4.2.1
 Homepage: https://notabug.org/TenPlus1/mobs_redo
 Vcs-Git: https://salsa.debian.org/games-team/minetest-mod-mobs-redo.git
diff --git a/debian/copyright b/debian/copyright
index c21ef2e..4c82a74 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -8,7 +8,7 @@ License: Expat
 
 Files: sounds/mobs_swing.ogg
 Copyright: 2008 qubodup
-License: CC0
+License: CC0-1.0
 
 Files: sounds/mobs_spell.ogg
 Copyright: littlerobotsoundfactory
@@ -39,13 +39,16 @@ License: Expat
  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.
 
-License: CC0
+License: CC0-1.0
  To the extent possible under law, the author(s) have dedicated all copyright
  and related and neighboring rights to this software to the public domain
  worldwide. This software is distributed without any warranty.
  .
  You should have received a copy of the CC0 Public Domain Dedication along with
  this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
+ .
+ On Debian systems, the full text of the CC0 1.0 Universal license can be found
+ in the file `/usr/share/common-licenses/CC0-1.0'.
 
 License: CC-BY-3.0
  http://creativecommons.org/licenses/by/3.0/
@@ -331,4 +334,4 @@ License: CC-BY-3.0
     includes additional rights not granted under this License, such
     additional rights are deemed to be included in the License; this
     License is not intended to restrict the license of any rights under
-    applicable law.
\ No newline at end of file
+    applicable law.
diff --git a/debian/upstream/metadata b/debian/upstream/metadata
new file mode 100644
index 0000000..f11ea91
--- /dev/null
+++ b/debian/upstream/metadata
@@ -0,0 +1,2 @@
+---
+Repository: https://notabug.org/TenPlus1/mobs_redo