diff --git a/package-lock.json b/package-lock.json
index 5d87dfb..c093650 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@transit/gtfs",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 3623941..dc79c99 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@transit/gtfs",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "description": "A Node.js library for GTFS",
   "main": "index.js",
   "scripts": {