diff --git a/package-lock.json b/package-lock.json
index edb6ada..bf83cc3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "ukiyojs",
-  "version": "4.1.2",
+  "version": "4.2.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "ukiyojs",
-      "version": "4.1.2",
+      "version": "4.2.0",
       "license": "MIT",
       "devDependencies": {
         "@rollup/plugin-buble": "^0.21.3",
diff --git a/package.json b/package.json
index e841a57..60b394a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ukiyojs",
-  "version": "4.1.2",
+  "version": "4.2.0",
   "description": "⛰️ Dynamic, modern, and efficient background parallax effect.",
   "homepage": "https://yitengjun.github.io/ukiyo-js/",
   "repository": {