diff --git a/CHANGELOG.md b/CHANGELOG.md
index e8bb651..cb09f38 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,17 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased](https://codeberg.org/daudix/duckquill/compare/v6.1.1...main)
+## [Unreleased](https://codeberg.org/daudix/duckquill/compare/v6.3.0...main)
+
+## [v6.3.0](https://codeberg.org/daudix/duckquill/compare/v6.2.0...v6.3.0) - 2025-04-19
+
+### Added
+
+- Add German translation (#130).
+
+### Fixed
+
+- Output an error message if title is not set in `config.toml` (#129).
 
 ## [v6.2.0](https://codeberg.org/daudix/duckquill/compare/v6.1.1...v6.2.0) - 2025-03-30
 
diff --git a/content/_index.md b/content/_index.md
index 8a701af..cb5a83d 100644
--- a/content/_index.md
+++ b/content/_index.md
@@ -66,7 +66,7 @@ It is highly recommended to switch from the `main` branch to the latest release:
 
 ```bash
 cd themes/duckquill
-git checkout tags/v6.2.0
+git checkout tags/v6.3.0
 ```
 
 Then, enable it in your `config.toml`:
@@ -80,7 +80,7 @@ To update the theme, simply switch to a new tag:
 ```bash
 git submodule update --remote --merge
 cd themes/duckquill
-git checkout tags/v6.2.0
+git checkout tags/v6.3.0
 ```
 
 {% alert(important=true) %}
diff --git a/sass/style.scss b/sass/style.scss
index 88dd959..6a51d44 100644
--- a/sass/style.scss
+++ b/sass/style.scss
@@ -1,5 +1,5 @@
 /*!
- * Duckquill v6.2.0 (https://duckquill.daudix.one)
+ * Duckquill v6.3.0 (https://duckquill.daudix.one)
  * Copyright 2024-2025 David "Daudix" Lapshin
  * Licensed under MIT (https://codeberg.org/daudix/duckquill/src/branch/main/LICENSE)
  */