diff --git a/debian/changelog b/debian/changelog
index 9ef6a08..dc6466f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+mccs (1:1.1-10) UNRELEASED; urgency=medium
+
+  * Trim trailing whitespace.
+  * Update standards version to 4.5.1, no changes needed.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Wed, 16 Jun 2021 09:24:00 -0000
+
 mccs (1:1.1-9) unstable; urgency=medium
 
   [ Ondřej Nový ]
@@ -135,4 +142,3 @@ mccs (1.0-1) unstable; urgency=low
   * Initial package (closes: #625636).
 
  -- Ralf Treinen <treinen@debian.org>  Wed, 11 May 2011 19:47:48 +0200
-
diff --git a/debian/control b/debian/control
index 1c7184e..ad9542c 100644
--- a/debian/control
+++ b/debian/control
@@ -5,7 +5,7 @@ Maintainer: Ralf Treinen <treinen@debian.org>
 Build-Depends: debhelper-compat (= 13),
  bison, flex,
  libsuitesparse-dev, liblpsolve55-dev
-Standards-Version: 4.5.0
+Standards-Version: 4.5.1
 Vcs-Browser: https://salsa.debian.org/debian/mccs
 Vcs-Git: https://salsa.debian.org/debian/mccs.git