diff --git a/debian/changelog b/debian/changelog
index 0f63c12..758f392 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+gnumail (1.3.0-2) UNRELEASED; urgency=medium
+
+ * debian/copyright: use spaces rather than tabs to start continuation lines.
+ * Use secure URI in Homepage field.
+ * Bump debhelper from old 11 to 13.
+
+ -- Debian Janitor <janitor@jelmer.uk> Tue, 13 Jun 2023 11:37:35 -0000
+
gnumail (1.3.0-1) unstable; urgency=medium
* New upstream release.
diff --git a/debian/compat b/debian/compat
index b4de394..b1bd38b 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-11
+13
diff --git a/debian/control b/debian/control
index a78b559..a25a20a 100644
--- a/debian/control
+++ b/debian/control
@@ -4,7 +4,7 @@ Uploaders: Eric Heintzmann <heintzmann.eric@free.fr>,
Yavor Doganov <yavor@gnu.org>
Section: gnustep
Priority: optional
-Build-Depends: debhelper (>= 11),
+Build-Depends: debhelper (>= 13~),
gnustep-make (>= 2.7.0-4),
libgnustep-gui-dev,
libpantomime-dev (>= 1.3.0),
@@ -13,7 +13,7 @@ Build-Depends: debhelper (>= 11),
Standards-Version: 4.2.1
Vcs-Browser: https://salsa.debian.org/gnustep-team/gnumail
Vcs-Git: https://salsa.debian.org/gnustep-team/gnumail.git
-Homepage: http://www.nongnu.org/gnustep-nonfsf/gnumail/
+Homepage: https://www.nongnu.org/gnustep-nonfsf/gnumail/
Package: gnumail.app
Architecture: any
diff --git a/debian/copyright b/debian/copyright
index 785fb25..73c4188 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -4,16 +4,16 @@ Source: https://download.savannah.nongnu.org/releases/gnustep-nonfsf/
Files: *
Copyright: 2001-2007 Ludovic Marcotte
- 2001-2007 Jonathan B. Leffert
- 2001-2006 Tomio Arisaka
- 2001 Vincent Ricard
- 2001 Enrico Sersale
- 2002-2007 Francis Lachapelle
- 2002-2007 Ujwal S. Sathyam
- 2002-2012 Nicolas Roard
- 2003 Ken Ferry
- 2011-2018 Riccardo Mottola
- 2014-2017 GNUstep Team
+ 2001-2007 Jonathan B. Leffert
+ 2001-2006 Tomio Arisaka
+ 2001 Vincent Ricard
+ 2001 Enrico Sersale
+ 2002-2007 Francis Lachapelle
+ 2002-2007 Ujwal S. Sathyam
+ 2002-2012 Nicolas Roard
+ 2003 Ken Ferry
+ 2011-2018 Riccardo Mottola
+ 2014-2017 GNUstep Team
License: GPL-2+
Files: Framework/GNUMail/STScriptingSupport.*