diff --git a/debian/changelog b/debian/changelog
index 9d0d986..32524a2 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,12 @@
+darkcold-gtk-theme (5.0.0-4) UNRELEASED; urgency=medium
+
+ * Use versioned copyright format URI.
+ * Bump debhelper from old 11 to 13.
+ * Set debhelper-compat version in Build-Depends.
+ * Set upstream metadata fields: Repository-Browse.
+
+ -- Debian Janitor <janitor@jelmer.uk> Mon, 20 Mar 2023 04:14:26 -0000
+
darkcold-gtk-theme (5.0.0-3) unstable; urgency=medium
* Pick upstream's updates to metacity stuff.
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 5320448..c960977 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Section: misc
Priority: optional
Maintainer: Debian Desktop Theme Team <team+desktop-themes-team@tracker.debian.org>
Uploaders: Adam Borowski <kilobyte@angband.pl>
-Build-Depends: debhelper (>= 11)
+Build-Depends: debhelper-compat (= 13)
Standards-Version: 4.2.1
Homepage: https://github.com/originalseed/darkcold
Vcs-Git: https://salsa.debian.org/desktop-themes-team/darkcold-gtk-theme.git -b debian
diff --git a/debian/copyright b/debian/copyright
index c173293..38ca1a2 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,4 +1,4 @@
-Format: http://www.debian.org/doc/copyright-format/1.0
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Files: *
Copyright:
diff --git a/debian/upstream/metadata b/debian/upstream/metadata
new file mode 100644
index 0000000..8815188
--- /dev/null
+++ b/debian/upstream/metadata
@@ -0,0 +1,2 @@
+---
+Repository-Browse: https://github.com/originalseed/darkcold
