diff -pruN 5.3.0-1/debian/changelog 5.3.0-1ubuntu1/debian/changelog
--- 5.3.0-1/debian/changelog	2022-09-11 07:43:09.000000000 +0000
+++ 5.3.0-1ubuntu1/debian/changelog	2023-05-21 21:15:49.000000000 +0000
@@ -1,3 +1,9 @@
+grantlee5 (5.3.0-1ubuntu1) mantic; urgency=medium
+
+  * d/rules: Add ppc64el and s390x to testsuite_failing_archs.
+
+ -- Rik Mills <rikmills@kde.org>  Sun, 21 May 2023 22:15:49 +0100
+
 grantlee5 (5.3.0-1) experimental; urgency=medium
 
   * New upstream release.
diff -pruN 5.3.0-1/debian/control 5.3.0-1ubuntu1/debian/control
--- 5.3.0-1/debian/control	2022-09-11 06:21:35.000000000 +0000
+++ 5.3.0-1ubuntu1/debian/control	2023-05-21 21:15:49.000000000 +0000
@@ -1,7 +1,8 @@
 Source: grantlee5
 Section: libs
 Priority: optional
-Maintainer: Debian Krap Maintainers <debian-qt-kde@lists.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian Krap Maintainers <debian-qt-kde@lists.debian.org>
 Uploaders: Pino Toscano <pino@debian.org>
 Build-Depends: cmake (>= 3.5~),
                debhelper-compat (= 13),
diff -pruN 5.3.0-1/debian/rules 5.3.0-1ubuntu1/debian/rules
--- 5.3.0-1/debian/rules	2021-09-26 15:39:36.000000000 +0000
+++ 5.3.0-1ubuntu1/debian/rules	2023-05-21 21:15:49.000000000 +0000
@@ -5,7 +5,7 @@ include /usr/share/dpkg/architecture.mk
 # Disable fixfilepath, as it triggers build failures.
 export DEB_BUILD_MAINT_OPTIONS = reproducible=-fixfilepath
 
-testsuite_failing_archs := hppa ia64 sparc64
+testsuite_failing_archs := hppa ia64 ppc64el sparc64 s390x
 ifneq (,$(filter $(DEB_HOST_ARCH),$(testsuite_failing_archs)))
   fail_param := || true
 endif