diff --git a/CHANGELOG.md b/CHANGELOG.md
index c7e683f..bf2b2ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ 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).
 
-## [Unreleased]
+## [2.9.9] - 2024-09-14
 
 ### Updated
 - Route color swatch styles
diff --git a/package-lock.json b/package-lock.json
index f6516a3..4eb362f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "gtfs-to-html",
-  "version": "2.9.8",
+  "version": "2.9.9",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "gtfs-to-html",
-      "version": "2.9.8",
+      "version": "2.9.9",
       "license": "MIT",
       "dependencies": {
         "@turf/helpers": "^7.1.0",
diff --git a/package.json b/package.json
index 80076c0..24f8bd9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gtfs-to-html",
-  "version": "2.9.8",
+  "version": "2.9.9",
   "private": false,
   "description": "Build human readable transit timetables as HTML, PDF or CSV from GTFS",
   "keywords": [