diff --git a/package-lock.json b/package-lock.json
index 59638a2..0977853 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "fancybox.test",
-  "version": "4.0.0-beta.1",
+  "version": "4.0.0-alpha.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "fancybox.test",
-      "version": "4.0.0-beta.1",
+      "version": "4.0.0-alpha.0",
       "license": "SEE LICENSE IN LICENSE.md",
       "devDependencies": {
         "@babel/core": "^7.14.3",
diff --git a/package.json b/package.json
index 2614c37..ffcd20c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ui",
-  "version": "0.0.0",
+  "version": "4.0.0-alpha.0",
   "description": "JavaScript UI Component Library",
   "main": "dist/fancybox.umd.js",
   "module": "dist/fancybox.esm.js",