diff --git a/debian/changelog b/debian/changelog
index 60bb632..326208a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+subunit (1.4.0-4) UNRELEASED; urgency=medium
+
+ * Bump debhelper from old 12 to 13.
+ * Update standards version to 4.1.5, no changes needed.
+
+ -- Debian Janitor <janitor@jelmer.uk> Sun, 28 May 2023 00:44:30 -0000
+
subunit (1.4.0-3) unstable; urgency=medium
* Mark testscenarios and testtools b-d as <!nocheck> (Closes: #981364).
diff --git a/debian/control b/debian/control
index e7fb68f..aebfe1a 100644
--- a/debian/control
+++ b/debian/control
@@ -9,7 +9,7 @@ Build-Depends:
autoconf,
automake,
check <!nocheck>,
- debhelper-compat (= 12),
+ debhelper-compat (= 13),
dh-python,
libcppunit-dev,
libtool,
@@ -21,7 +21,7 @@ Build-Depends:
python3-testtools <!nocheck>,
Build-Depends-Indep:
perl,
-Standards-Version: 4.1.4
+Standards-Version: 4.1.5
Vcs-Git: https://salsa.debian.org/openstack-team/python/subunit.git
Vcs-Browser: https://salsa.debian.org/openstack-team/python/subunit
Homepage: https://code.launchpad.net/subunit
