diff --git a/debian/changelog b/debian/changelog
index 55a00e4..8666f23 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,9 +1,16 @@
+vspline (1.1.7-2) UNRELEASED; urgency=medium
+
+ * Bump debhelper from old 12 to 13.
+ * Fix day-of-week for changelog entry 1.1.7-1.
+
+ -- Debian Janitor <janitor@jelmer.uk> Sat, 08 Jul 2023 08:38:42 -0000
+
vspline (1.1.7-1) unstable; urgency=low
* update to upstream version 1.1.7
* Bump Standards-Version to 4.6.2
- -- Kay F. Jahnke <kfjahnke@gmail.com> Sun, 08 Jul 2023 10:30:00 +0200
+ -- Kay F. Jahnke <kfjahnke@gmail.com> Sat, 08 Jul 2023 10:30:00 +0200
vspline (1.0.2-1) unstable; urgency=low
diff --git a/debian/control b/debian/control
index 1c25b3c..ce4560e 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Maintainer: Debian Science Team <debian-science-maintainers@lists.alioth.debian.
Uploaders: Kay F. Jahnke <kfjahnke@gmail.com>
Section: math
Priority: optional
-Build-Depends: debhelper-compat (= 12)
+Build-Depends: debhelper-compat (= 13)
Standards-Version: 4.6.2
Vcs-Browser: https://salsa.debian.org/science-team/vspline
Vcs-Git: https://salsa.debian.org/science-team/vspline.git
