diff --git a/package-lock.json b/package-lock.json
index a01c453..23e1833 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "date-and-time",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "date-and-time",
-      "version": "4.0.0",
+      "version": "4.0.1",
       "license": "MIT",
       "devDependencies": {
         "@rollup/plugin-terser": "^0.4.4",
diff --git a/package.json b/package.json
index 8a3c07e..ebb49b9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "date-and-time",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "The simplest and most user-friendly date and time manipulation library",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",