diff --git a/composer.json b/composer.json
index aef5314..6999c97 100644
--- a/composer.json
+++ b/composer.json
@@ -1,23 +1,23 @@
-{
-  "name": "mageplaza/module-multi-flat-rates",
-  "description": "Magento 2 Multi Flat Rates extension",
-  "type": "magento2-module",
-  "version": "1.1.1",
-  "license": "proprietary",
-  "authors": [
-    {
-      "name": "Mageplaza",
-      "email": "support@mageplaza.com",
-      "homepage": "https://www.mageplaza.com",
-      "role": "Technical Support"
-    }
-  ],
-  "autoload": {
-    "files": [
-      "registration.php"
-    ],
-    "psr-4": {
-      "Mageplaza\\Multiflatrates\\": ""
-    }
-  }
-}
\ No newline at end of file
+{
+  "name": "mageplaza/module-multi-flat-rates",
+  "description": "Magento 2 Multi Flat Rates extension",
+  "type": "magento2-module",
+  "version": "4.0.0",
+  "license": "proprietary",
+  "authors": [
+    {
+      "name": "Mageplaza",
+      "email": "support@mageplaza.com",
+      "homepage": "https://www.mageplaza.com",
+      "role": "Technical Support"
+    }
+  ],
+  "autoload": {
+    "files": [
+      "registration.php"
+    ],
+    "psr-4": {
+      "Mageplaza\\Multiflatrates\\": ""
+    }
+  }
+}