diff --git a/CHANGELOG.md b/CHANGELOG.md
index cabee8fb..153814c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [6.7.31] - 2026-01-06
+
+### Added
+
+- Add unified build system for DTK5 and DTK6
+
 ## [5.7.30] - 2025-12-11
 
 ## [5.7.28] - 2025-12-04
diff --git a/VERSION b/VERSION
index c8025f57..6764fa93 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.7.30
+6.7.31
diff --git a/archlinux/PKGBUILD b/archlinux/PKGBUILD
index 0ab222b7..ff7195bb 100644
--- a/archlinux/PKGBUILD
+++ b/archlinux/PKGBUILD
@@ -1,6 +1,6 @@
 # Maintainer: justforlxz <justforlxz@gmail.com>
 pkgname=dtkgui-git
-pkgver=5.7.30
+pkgver=6.7.31
 pkgrel=1
 sourcename=dtkgui
 sourcetars=("$sourcename"_"$pkgver".tar.xz)
diff --git a/debian/changelog b/debian/changelog
index dc88e599..ea3e27b4 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+dtkgui (6.7.31) unstable; urgency=medium
+
+  * Release 6.7.31
+
+ --  yeshanshan <yeshanshan@uniontech.com>  Tue, 06 Jan 2026 13:16:37 +0800
+
 dtkgui (5.7.30) unstable; urgency=medium
 
   * Release 5.7.30
diff --git a/rpm/dtkgui.spec b/rpm/dtkgui.spec
index 090bc948..6e066e82 100644
--- a/rpm/dtkgui.spec
+++ b/rpm/dtkgui.spec
@@ -1,5 +1,5 @@
 Name:           dtkgui
-Version:        5.7.30
+Version:        6.7.31
 Release:        1%{?dist}
 Summary:        Deepin dtkgui
 License:        LGPLv3+