diff -Nru fcitx5-5.0.21/debian/changelog fcitx5-5.0.21/debian/changelog
--- fcitx5-5.0.21/debian/changelog	2022-11-29 21:04:33.000000000 +0000
+++ fcitx5-5.0.21/debian/changelog	2023-01-07 03:00:43.000000000 +0000
@@ -1,3 +1,11 @@
+fcitx5 (5.0.21-3) unstable; urgency=medium
+
+  * debian/control: Tighten versioned dependency of xcb-imdkit to
+    (>= 1.0.3~) to solve build issues with backports.
+  * debian/control: Bump Standards-Version to 4.6.2.
+
+ -- Boyuan Yang <byang@debian.org>  Fri, 06 Jan 2023 22:00:43 -0500
+
 fcitx5 (5.0.21-2) unstable; urgency=medium
 
   * debian/control: Replace test-build-dependency dbus with
diff -Nru fcitx5-5.0.21/debian/control fcitx5-5.0.21/debian/control
--- fcitx5-5.0.21/debian/control	2022-11-29 21:04:30.000000000 +0000
+++ fcitx5-5.0.21/debian/control	2023-01-07 03:00:42.000000000 +0000
@@ -30,7 +30,7 @@
  libwayland-egl-backend-dev [linux-any],
  libxcb-ewmh-dev,
  libxcb-icccm4-dev,
- libxcb-imdkit-dev (>= 1.0.1~),
+ libxcb-imdkit-dev (>= 1.0.3~),
  libxcb-randr0-dev,
  libxcb-shape0-dev,
  libxcb-xfixes0-dev,
@@ -43,7 +43,7 @@
  unicode-cldr-core,
  uuid-dev,
  wayland-protocols [linux-any],
-Standards-Version: 4.6.1
+Standards-Version: 4.6.2
 Rules-Requires-Root: no
 Homepage: https://github.com/fcitx/fcitx5
 Vcs-Git: https://salsa.debian.org/input-method-team/fcitx5.git