diff --git a/debian/changelog b/debian/changelog
index 94cd30e..bc38215 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+python-isoweek (1.3.3-5) UNRELEASED; urgency=medium
+
+ * Bump debhelper from old 11 to 13.
+ + Replace python_distutils buildsystem with pybuild.
+ * Set upstream metadata fields: Bug-Database, Bug-Submit, Repository-Browse.
+
+ -- Debian Janitor <janitor@jelmer.uk> Wed, 31 May 2023 03:34:29 -0000
+
python-isoweek (1.3.3-4) unstable; urgency=medium
[ Ondřej Nový ]
diff --git a/debian/control b/debian/control
index 332a3fa..50c8ecf 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Section: python
Priority: optional
Maintainer: Debian Python Team <team+python@tracker.debian.org>
Uploaders: Hugo Lefeuvre <hle@debian.org>
-Build-Depends: debhelper-compat (= 11),
+Build-Depends: debhelper-compat (= 13),
dh-python,
python3-all,
python3-setuptools
diff --git a/debian/rules b/debian/rules
index 054662c..8bed1db 100755
--- a/debian/rules
+++ b/debian/rules
@@ -8,4 +8,4 @@ export PYBUILD_NAME=isoweek
override_dh_auto_test:
# Launch testsuite at build-time.
- dh_auto_test -- --system=custom --test-args='{interpreter} {dir}/test_isoweek.py'
+ PYBUILD_TEST_ARGS='--system=custom --test-args='"'"'{interpreter} {dir}/test_isoweek.py'"'"'' dh_auto_test
diff --git a/debian/upstream/metadata b/debian/upstream/metadata
new file mode 100644
index 0000000..dbc9d86
--- /dev/null
+++ b/debian/upstream/metadata
@@ -0,0 +1,4 @@
+---
+Bug-Database: https://github.com/gisle/isoweek/issues
+Bug-Submit: https://github.com/gisle/isoweek/issues/new
+Repository-Browse: https://github.com/gisle/isoweek
