diff --git a/package-lock.json b/package-lock.json
index b1334dd..ced1afd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "svelte-windicss-preprocess",
-  "version": "3.5.1",
+  "version": "4.0.0-beta.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index 08e830a..5657335 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "svelte-windicss-preprocess",
-  "version": "3.5.1",
+  "version": "4.0.0-beta.1",
   "description": "A Svelte Preprocessor to compile tailwindcss at build time based on windicss compiler.",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",