diff -Nru libapache-singleton-perl-0.17/debian/changelog libapache-singleton-perl-0.17/debian/changelog
--- libapache-singleton-perl-0.17/debian/changelog	2017-10-22 19:42:39.000000000 +0000
+++ libapache-singleton-perl-0.17/debian/changelog	2022-06-06 22:42:52.000000000 +0000
@@ -1,3 +1,19 @@
+libapache-singleton-perl (0.17-2) unstable; urgency=medium
+
+  [ Damyan Ivanov ]
+  * declare conformance with Policy 4.1.3 (no changes needed)
+
+  [ Salvatore Bonaccorso ]
+  * Update Vcs-* headers for switch to salsa.debian.org
+
+  [ Laurent Baillet ]
+  * fix lintian file-contains-trailing-whitespace warning
+
+  [ gregor herrmann ]
+  * debian/watch: use uscan version 4.
+
+ -- Jelmer Vernooij <jelmer@debian.org>  Mon, 06 Jun 2022 23:42:52 +0100
+
 libapache-singleton-perl (0.17-1) unstable; urgency=medium
 
   * Team upload
diff -Nru libapache-singleton-perl-0.17/debian/compat libapache-singleton-perl-0.17/debian/compat
--- libapache-singleton-perl-0.17/debian/compat	2016-11-20 07:19:52.000000000 +0000
+++ libapache-singleton-perl-0.17/debian/compat	1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-9
diff -Nru libapache-singleton-perl-0.17/debian/control libapache-singleton-perl-0.17/debian/control
--- libapache-singleton-perl-0.17/debian/control	2017-10-22 19:41:03.000000000 +0000
+++ libapache-singleton-perl-0.17/debian/control	2022-06-06 22:42:52.000000000 +0000
@@ -4,15 +4,15 @@
 Section: perl
 Testsuite: autopkgtest-pkg-perl
 Priority: optional
-Build-Depends: debhelper (>= 9)
+Build-Depends: debhelper-compat (= 13)
 Build-Depends-Indep: perl,
                      apache2-dev,
                      libapache2-mod-perl2,
                      libcgi-pm-perl,
                      netbase
-Standards-Version: 4.1.1
-Vcs-Browser: https://anonscm.debian.org/cgit/pkg-perl/packages/libapache-singleton-perl.git
-Vcs-Git: https://anonscm.debian.org/git/pkg-perl/packages/libapache-singleton-perl.git
+Standards-Version: 4.1.3
+Vcs-Browser: https://salsa.debian.org/perl-team/modules/packages/libapache-singleton-perl
+Vcs-Git: https://salsa.debian.org/perl-team/modules/packages/libapache-singleton-perl.git
 Homepage: https://metacpan.org/release/Apache-Singleton
 
 Package: libapache-singleton-perl
@@ -22,11 +22,11 @@
          libapache2-mod-perl2,
          libcgi-pm-perl
 Description: Singleton class for mod_perl
- Apache::Singleton is a Perl module that provides a Singleton class suitable  
+ Apache::Singleton is a Perl module that provides a Singleton class suitable
  for use with mod_perl.
  .
- A Singleton describes an object class that can have only one instance in any  
- system.  An example of a Singleton might be a print spooler or system  
+ A Singleton describes an object class that can have only one instance in any
+ system.  An example of a Singleton might be a print spooler or system
  registry.
  .
  For a description and discussion of the Singleton class, see
diff -Nru libapache-singleton-perl-0.17/debian/upstream/metadata libapache-singleton-perl-0.17/debian/upstream/metadata
--- libapache-singleton-perl-0.17/debian/upstream/metadata	2017-06-21 18:33:43.000000000 +0000
+++ libapache-singleton-perl-0.17/debian/upstream/metadata	2022-06-06 22:42:52.000000000 +0000
@@ -1,6 +1,5 @@
 ---
 Archive: CPAN
 Bug-Database: https://rt.cpan.org/Public/Dist/Display.html?Name=Apache-Singleton
-Contact: Michael Schout <mschout@cpan.org>
-Name: Apache-Singleton
 Repository: https://github.com/mschout/apache-singleton.git
+Repository-Browse: https://github.com/mschout/apache-singleton
diff -Nru libapache-singleton-perl-0.17/debian/watch libapache-singleton-perl-0.17/debian/watch
--- libapache-singleton-perl-0.17/debian/watch	2016-11-20 07:19:52.000000000 +0000
+++ libapache-singleton-perl-0.17/debian/watch	2022-06-06 22:42:52.000000000 +0000
@@ -1,2 +1,2 @@
-version=3
-https://metacpan.org/release/Apache-Singleton  .+/Apache-Singleton-v?(\d[\d.-]+)\.(?:tar(?:\.gz|\.bz2)?|tgz|zip)$
+version=4
+https://metacpan.org/release/Apache-Singleton  .+/Apache-Singleton-v?@ANY_VERSION@@ARCHIVE_EXT@$