diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f26b41..9593110 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -120,7 +120,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Fix for showRouteTitle config
 
-## [Unreleased]
+## [2.3.1] - 2021-11-26
 
 ### Added
 
diff --git a/package-lock.json b/package-lock.json
index 7184b00..c34b23b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "gtfs-to-html",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "gtfs-to-html",
-      "version": "2.3.0",
+      "version": "2.3.1",
       "license": "MIT",
       "dependencies": {
         "@turf/helpers": "^6.5.0",
diff --git a/package.json b/package.json
index 5816bbc..be92c44 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gtfs-to-html",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "private": false,
   "description": "Build human readable transit timetables as HTML, PDF or CSV from GTFS",
   "keywords": [