diff --git a/package-lock.json b/package-lock.json
index e55104c..5aaf776 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cordova-plugin-vibration",
-  "version": "3.1.2-dev",
+  "version": "4.0.0-dev",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "cordova-plugin-vibration",
-      "version": "3.1.2-dev",
+      "version": "4.0.0-dev",
       "license": "Apache-2.0",
       "devDependencies": {
         "@cordova/eslint-config": "^3.0.0"
diff --git a/package.json b/package.json
index 03e0900..ea4825b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cordova-plugin-vibration",
-  "version": "3.1.2-dev",
+  "version": "4.0.0-dev",
   "description": "Cordova Vibration Plugin",
   "types": "./types/index.d.ts",
   "cordova": {
diff --git a/plugin.xml b/plugin.xml
index 8bda174..2c0b730 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -21,7 +21,7 @@
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
     xmlns:android="http://schemas.android.com/apk/res/android"
     id="cordova-plugin-vibration"
-    version="3.1.2-dev">
+    version="4.0.0-dev">
 
     <name>Vibration</name>
     <description>Cordova Vibration Plugin</description>
diff --git a/tests/package.json b/tests/package.json
index 816b95b..4013bf5 100644
--- a/tests/package.json
+++ b/tests/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cordova-plugin-vibration-tests",
-  "version": "3.1.2-dev",
+  "version": "4.0.0-dev",
   "description": "",
   "cordova": {
     "id": "cordova-plugin-vibration-tests",
diff --git a/tests/plugin.xml b/tests/plugin.xml
index 42b65c7..da14bf5 100644
--- a/tests/plugin.xml
+++ b/tests/plugin.xml
@@ -22,7 +22,7 @@
     xmlns:rim="http://www.blackberry.com/ns/widgets"
     xmlns:android="http://schemas.android.com/apk/res/android"
     id="cordova-plugin-vibration-tests"
-    version="3.1.2-dev">
+    version="4.0.0-dev">
     <name>Cordova Vibration Plugin Tests</name>
     <license>Apache 2.0</license>