diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebeaca53..8f64878d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,21 @@ 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 DTK6 documentation package and improve build profiles
+
+### Changed
+
+- Unify DTK5 and DTK6
+
+### Fixed
+
+- Correct pinyin tone number placement and test issues
+- Fix build with Qt 6.9
+
 ## [5.7.30] - 2025-12-11
 
 ### Added
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 8de82788..952e83b6 100644
--- a/archlinux/PKGBUILD
+++ b/archlinux/PKGBUILD
@@ -1,6 +1,6 @@
 # Maintainer: justforlxz <justforlxz@gmail.com>
 pkgname=dtkcore-git
-pkgver=5.7.30
+pkgver=6.7.31
 pkgrel=1
 sourcename=dtkcore
 sourcetars=("$sourcename"_"$pkgver".tar.xz)
diff --git a/debian/changelog b/debian/changelog
index dbe4680e..97b0d411 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+dtkcore (6.7.31) unstable; urgency=medium
+
+  * Release 6.7.31
+
+ --  yeshanshan <yeshanshan@uniontech.com>  Tue, 06 Jan 2026 13:16:35 +0800
+
 dtkcore (5.7.30) unstable; urgency=medium
 
   * Release 5.7.30
diff --git a/rpm/dtkcore.spec b/rpm/dtkcore.spec
index cc692dc9..9851ff79 100644
--- a/rpm/dtkcore.spec
+++ b/rpm/dtkcore.spec
@@ -1,5 +1,5 @@
 Name:           dtkcore
-Version:        5.7.30
+Version:        6.7.31
 Release:        1%{?dist}
 Summary:        Deepin tool kit core modules
 License:        LGPLv3+