diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6027d9c..24a00b3 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]
+## [1.2.1] - 2024-09-10
 
 ### Added
 
diff --git a/package-lock.json b/package-lock.json
index 21f003a..dab97df 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "gtfs-to-html-service",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "gtfs-to-html-service",
-      "version": "1.2.0",
+      "version": "1.2.1",
       "hasInstallScript": true,
       "dependencies": {
         "@vercel/analytics": "^1.3.1",
diff --git a/package.json b/package.json
index 2407619..2e076bb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gtfs-to-html-service",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "private": true,
   "author": "Brendan Nee <brendan@blinktag.com>",
   "scripts": {