diff --git a/debian/changelog b/debian/changelog
index 526e0d0..1f356c5 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,13 @@
+graphite-api (1.1.3-7) UNRELEASED; urgency=medium
+
+ * Use secure copyright file specification URI.
+ * Bump debhelper from deprecated 9 to 13.
+ * Set debhelper-compat version in Build-Depends.
+ * Set upstream metadata fields: Bug-Database, Bug-Submit, Repository-Browse.
+ * Set upstream metadata fields: Repository.
+
+ -- Debian Janitor <janitor@jelmer.uk> Wed, 21 Dec 2022 19:39:05 -0000
+
graphite-api (1.1.3-6) unstable; urgency=medium
* d/control: add back Vcs-* fields.
diff --git a/debian/compat b/debian/compat
deleted file mode 100644
index ec63514..0000000
--- a/debian/compat
+++ /dev/null
@@ -1 +0,0 @@
-9
diff --git a/debian/control b/debian/control
index 25108ca..5302d67 100644
--- a/debian/control
+++ b/debian/control
@@ -3,8 +3,7 @@ Section: web
Priority: optional
Maintainer: Debian Graphite Group <team+debian-graphite-team@tracker.debian.org>
Uploaders: Vincent Bernat <bernat@debian.org>
-Build-Depends: debhelper (>= 9),
- dh-python,
+Build-Depends: debhelper-compat (= 13), dh-python,
python3,
python3-flask,
python3-cairocffi,
diff --git a/debian/copyright b/debian/copyright
index cc96942..8ada8fa 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,4 +1,4 @@
-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: graphite-api
Upstream-Contact: Bruno Renié
Source: http://github.com/brutasse/graphite-api
diff --git a/debian/upstream/metadata b/debian/upstream/metadata
new file mode 100644
index 0000000..3e1711a
--- /dev/null
+++ b/debian/upstream/metadata
@@ -0,0 +1,5 @@
+---
+Bug-Database: https://github.com/brutasse/graphite-api/issues
+Bug-Submit: https://github.com/brutasse/graphite-api/issues/new
+Repository: https://github.com/brutasse/graphite-api.git
+Repository-Browse: https://github.com/brutasse/graphite-api
