diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3f22e45..c453c96e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## [2.5.1] - 2023-01-20
+
 ### Changed
 
 - External links are now automatically appended with `rel="noreferrer noopener"` ([#446](https://github.com/jpanther/congo/pull/446))
@@ -615,7 +617,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Advanced customisation using simple Tailwind colour definitions and styles
 - Fully documented
 
-[Unreleased]: https://github.com/jpanther/congo/compare/v2.5.0...HEAD
+[Unreleased]: https://github.com/jpanther/congo/compare/v2.5.1...HEAD
+[2.5.1]: https://github.com/jpanther/congo/compare/v2.5.0...v2.5.1
 [2.5.0]: https://github.com/jpanther/congo/compare/v2.4.2...v2.5.0
 [2.4.2]: https://github.com/jpanther/congo/compare/v2.4.1...v2.4.2
 [2.4.1]: https://github.com/jpanther/congo/compare/v2.4.0...v2.4.1
diff --git a/assets/css/compiled/main.css b/assets/css/compiled/main.css
index 5c4d5e14..0cd9730a 100644
--- a/assets/css/compiled/main.css
+++ b/assets/css/compiled/main.css
@@ -1,4 +1,4 @@
-/*! Congo v2.5.0 | MIT License | https://github.com/jpanther/congo */
+/*! Congo v2.5.1 | MIT License | https://github.com/jpanther/congo */
 
 /*! tailwindcss v3.2.4 | MIT License | https://tailwindcss.com */
 
diff --git a/assets/css/main.css b/assets/css/main.css
index 7b608c38..43f50338 100644
--- a/assets/css/main.css
+++ b/assets/css/main.css
@@ -1,4 +1,4 @@
-/*! Congo v2.5.0 | MIT License | https://github.com/jpanther/congo */
+/*! Congo v2.5.1 | MIT License | https://github.com/jpanther/congo */
 
 @tailwind base;
 @tailwind components;
diff --git a/package.json b/package.json
index a4d3f6c3..df2e9872 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hugo-congo-theme",
-  "version": "2.5.0",
+  "version": "2.5.1",
   "description": "Congo theme for Hugo",
   "scripts": {
     "preinstall": "rimraf assets/lib",