diff --git a/debian/changelog b/debian/changelog
index e85b173..c2bdb92 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,12 @@
+a56 (1.3+dfsg-10) UNRELEASED; urgency=medium
+
+  * Trim trailing whitespace.
+  * Bump debhelper from old 11 to 13.
+  * Set debhelper-compat version in Build-Depends.
+  * Use canonical URL in Vcs-Browser.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Wed, 21 Sep 2022 14:10:15 -0000
+
 a56 (1.3+dfsg-9) unstable; urgency=low
 
   * debian/control: use dh11
@@ -74,4 +83,3 @@ a56 (1.3-1) unstable; urgency=high
   * Initial release.  (Closes: #502508)
 
  -- Robert Millan <rmh@aybabtu.com>  Mon, 20 Oct 2008 15:03:37 +0000
-
diff --git a/debian/compat b/debian/compat
deleted file mode 100644
index b4de394..0000000
--- a/debian/compat
+++ /dev/null
@@ -1 +0,0 @@
-11
diff --git a/debian/control b/debian/control
index c498ff4..693cd10 100644
--- a/debian/control
+++ b/debian/control
@@ -2,11 +2,10 @@ Source: a56
 Section: devel
 Priority: optional
 Maintainer: Thorsten Alteholz <debian@alteholz.de>
-Build-Depends: debhelper (>= 11)
-	, bison
+Build-Depends: debhelper-compat (= 13), bison
 Standards-Version: 4.1.3
 Homepage: http://www.zdomain.com/a56.html
-Vcs-Browser: https://salsa.debian.org/alteholz/a56.git
+Vcs-Browser: https://salsa.debian.org/alteholz/a56
 Vcs-Git: https://salsa.debian.org/alteholz/a56.git
 
 Package: a56