diff --git a/debian/changelog b/debian/changelog
index 36d1c9a3..b2383458 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,7 +1,13 @@
cura-engine (1:5.0.0-4) UNRELEASED; urgency=medium
+ [ Gregor Riepl ]
* Fix failing unit test. Closes: #1040252
+ [ Debian Janitor ]
+ * Bump debhelper from old 12 to 13.
+ * Set upstream metadata fields: Security-Contact.
+ * Update standards version to 4.1.5, no changes needed.
+
-- Gregor Riepl <onitake@gmail.com> Sat, 08 Jul 2023 15:08:39 +0200
cura-engine (1:5.0.0-3) unstable; urgency=medium
diff --git a/debian/control b/debian/control
index 019cea49..9e0c21e1 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Priority: optional
Maintainer: Debian 3-D Printing Packages <3dprinter-general@lists.alioth.debian.org>
Uploaders: Gregor Riepl <onitake@gmail.com>,
Christoph Berg <myon@debian.org>,
-Build-Depends: debhelper-compat (= 12), cmake,
+Build-Depends: debhelper-compat (= 13), cmake,
pkg-config,
libcppunit-dev,
libboost-dev,
@@ -12,7 +12,7 @@ Build-Depends: debhelper-compat (= 12), cmake,
libarcus-dev (>= 5.0~beta),
libgmock-dev,
libstb-dev,
-Standards-Version: 4.1.4
+Standards-Version: 4.1.5
Section: utils
Homepage: https://github.com/Ultimaker/CuraEngine
Vcs-Browser: https://salsa.debian.org/3dprinting-team/cura-engine
diff --git a/debian/upstream/metadata b/debian/upstream/metadata
index c02506d8..79a6eecd 100644
--- a/debian/upstream/metadata
+++ b/debian/upstream/metadata
@@ -2,3 +2,4 @@ Bug-Database: https://github.com/Ultimaker/CuraEngine/issues
Bug-Submit: https://github.com/Ultimaker/CuraEngine/issues/new
Repository: https://github.com/Ultimaker/CuraEngine.git
Repository-Browse: https://github.com/Ultimaker/CuraEngine
+Security-Contact: https://github.com/Ultimaker/CuraEngine/tree/HEAD/SECURITY.md