diff --git a/package-lock.json b/package-lock.json
index 0e167f9a..c1665d05 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@entur/sdk",
-    "version": "4.2.0",
+    "version": "4.2.1",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "@entur/sdk",
-            "version": "4.2.0",
+            "version": "4.2.1",
             "license": "EUPL-1.2",
             "dependencies": {
                 "@babel/polyfill": "^7.12.1",
diff --git a/package.json b/package.json
index df466293..734f4e59 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@entur/sdk",
-    "version": "4.2.0",
+    "version": "4.2.1",
     "license": "EUPL-1.2",
     "main": "./lib/index.js",
     "bugs": {