diff -u libxfixes-6.0.0/debian/changelog libxfixes-6.0.0/debian/changelog
--- libxfixes-6.0.0/debian/changelog
+++ libxfixes-6.0.0/debian/changelog
@@ -1,3 +1,18 @@
+libxfixes (1:6.0.0-2) unstable; urgency=medium
+
+  [ Debian Janitor ]
+  * Bump debhelper from old 12 to 13.
+    + debian/rules: Drop --fail-missing argument to dh_missing, which is now the
+      default.
+  * Replace XC-Package-Type with Package-Type.
+  * Update standards version to 4.6.0, no changes needed.
+  * Fix field name case in debian/control (Multi-arch => Multi-Arch).
+
+  [ Timo Aaltonen ]
+  * control: Remove constraints unnecessary since buster.
+
+ -- Timo Aaltonen <tjaalton@debian.org>  Mon, 03 Oct 2022 11:56:02 +0300
+
 libxfixes (1:6.0.0-1) unstable; urgency=medium
 
   * New upstream release. (Closes: #994957)(LP: #1959363)
diff -u libxfixes-6.0.0/debian/control libxfixes-6.0.0/debian/control
--- libxfixes-6.0.0/debian/control
+++ libxfixes-6.0.0/debian/control
@@ -3,13 +3,13 @@
 Priority: optional
 Maintainer: Debian X Strike Force <debian-x@lists.debian.org>
 Build-Depends:
- debhelper-compat (= 12),
- libx11-dev (>= 2:1.6),
+ debhelper-compat (= 13),
+ libx11-dev,
  x11proto-dev,
  pkg-config,
  quilt,
- xutils-dev (>= 1:7.5+4),
-Standards-Version: 4.5.0
+ xutils-dev,
+Standards-Version: 4.6.0
 Vcs-Git: https://salsa.debian.org/xorg-team/lib/libxfixes.git
 Vcs-Browser: https://salsa.debian.org/xorg-team/lib/libxfixes
 
@@ -34,7 +34,7 @@
  git://anongit.freedesktop.org/git/xorg/lib/libXfixes
 
 Package: libxfixes3-udeb
-XC-Package-Type: udeb
+Package-Type: udeb
 Section: debian-installer
 Architecture: any
 Depends:
@@ -46,13 +46,13 @@
 Package: libxfixes-dev
 Section: libdevel
 Architecture: any
-Multi-arch: same
 Depends:
  ${shlibs:Depends},
  ${misc:Depends},
  libxfixes3 (= ${binary:Version}),
  libx11-dev,
  x11proto-dev,
+Multi-Arch: same
 Description: X11 miscellaneous 'fixes' extension library (development headers)
  libXfixes provides an X Window System client interface to the 'XFIXES'
  extension to the X protocol.
diff -u libxfixes-6.0.0/debian/rules libxfixes-6.0.0/debian/rules
--- libxfixes-6.0.0/debian/rules
+++ libxfixes-6.0.0/debian/rules
@@ -8,9 +8,6 @@
 	find debian/tmp -name '*.la' -delete
 	dh_install
 
-override_dh_missing:
-	dh_missing --fail-missing
-
 # Debug package:
 override_dh_strip:
 	dh_strip -p$(PACKAGE) --dbgsym-migration='$(PACKAGE)-dbg (<< 1:5.0.2)'