diff --git a/package-lock.json b/package-lock.json
index 6a24d7b..5d31b21 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "webpack-merge",
-  "version": "4.2.1",
+  "version": "4.2.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 78ab8da..33e30c0 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "webpack-merge",
   "description": "Variant of merge that's useful for webpack configuration",
   "author": "Juho Vepsalainen <bebraw@gmail.com>",
-  "version": "4.2.1",
+  "version": "4.2.2",
   "scripts": {
     "build": "babel src -d lib",
     "watch": "npm-watch",