diff --git a/package-lock.json b/package-lock.json
index 969cd3e..a75d435 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "gtfsmerge",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "gtfsmerge",
-      "version": "2.1.0",
+      "version": "2.1.1",
       "license": "GPL-3.0",
       "dependencies": {
         "cheap-ruler": "^2.5.1",
diff --git a/package.json b/package.json
index a5fffa2..ee4e5f9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gtfsmerge",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "description": "Merge GTFS data sets",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",