diff -Nru libdevel-symdump-perl-2.18/debian/changelog libdevel-symdump-perl-2.18/debian/changelog
--- libdevel-symdump-perl-2.18/debian/changelog	2021-02-06 17:39:58.000000000 +0000
+++ libdevel-symdump-perl-2.18/debian/changelog	2022-11-15 15:39:38.000000000 +0000
@@ -1,3 +1,13 @@
+libdevel-symdump-perl (2.18-5) unstable; urgency=medium
+
+  [ Colin Watson ]
+  * debian/watch: Upgrade to version 4.
+
+  [ Debian Janitor ]
+  * Add Multi-Arch: foreign.
+
+ -- Colin Watson <cjwatson@debian.org>  Tue, 15 Nov 2022 15:39:38 +0000
+
 libdevel-symdump-perl (2.18-4) unstable; urgency=medium
 
   [ Colin Watson ]
diff -Nru libdevel-symdump-perl-2.18/debian/control libdevel-symdump-perl-2.18/debian/control
--- libdevel-symdump-perl-2.18/debian/control	2021-02-06 17:39:58.000000000 +0000
+++ libdevel-symdump-perl-2.18/debian/control	2022-11-15 15:39:38.000000000 +0000
@@ -3,7 +3,8 @@
 Priority: optional
 Maintainer: Colin Watson <cjwatson@debian.org>
 Standards-Version: 3.9.8
-Build-Depends: debhelper-compat (= 12), perl
+Build-Depends: debhelper-compat (= 12),
+               perl,
 Homepage: https://metacpan.org/release/Devel-Symdump/
 Vcs-Git: https://salsa.debian.org/debian/libdevel-symdump-perl.git
 Vcs-Browser: https://salsa.debian.org/debian/libdevel-symdump-perl
@@ -12,7 +13,9 @@
 
 Package: libdevel-symdump-perl
 Architecture: all
-Depends: ${misc:Depends}, ${perl:Depends}
+Depends: ${misc:Depends},
+         ${perl:Depends},
+Multi-Arch: foreign
 Description: Perl module for inspecting perl's symbol table
  The perl module Devel::Symdump provides a convenient way to inspect
  perl's symbol table and the class hierarchies within a running program.
diff -Nru libdevel-symdump-perl-2.18/debian/docs libdevel-symdump-perl-2.18/debian/docs
--- libdevel-symdump-perl-2.18/debian/docs	2021-02-06 17:39:58.000000000 +0000
+++ libdevel-symdump-perl-2.18/debian/docs	2022-11-15 15:39:38.000000000 +0000
@@ -1 +1 @@
-README 
+README
diff -Nru libdevel-symdump-perl-2.18/debian/watch libdevel-symdump-perl-2.18/debian/watch
--- libdevel-symdump-perl-2.18/debian/watch	2021-02-06 17:39:58.000000000 +0000
+++ libdevel-symdump-perl-2.18/debian/watch	2022-11-15 15:39:38.000000000 +0000
@@ -1,2 +1,2 @@
-version=3
+version=4
 https://metacpan.org/release/Devel-Symdump/   .*/Devel-Symdump-v?(\d[\d_.]+)\.(?:tar(?:\.gz|\.bz2)?|tgz|zip)	debian