diff --git a/package.json b/package.json
index 76c3100..e69f10d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cordova-plugin-inappbrowser",
-  "version": "3.2.1-dev",
+  "version": "4.0.0-dev",
   "description": "Cordova InAppBrowser Plugin",
   "types": "./types/index.d.ts",
   "cordova": {
diff --git a/plugin.xml b/plugin.xml
index b3e3aac..8cf6068 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -20,7 +20,7 @@
 
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
            id="cordova-plugin-inappbrowser"
-      version="3.2.1-dev">
+      version="4.0.0-dev">
 
     <name>InAppBrowser</name>
     <description>Cordova InAppBrowser Plugin</description>
diff --git a/tests/package.json b/tests/package.json
index ae85353..bf61e15 100644
--- a/tests/package.json
+++ b/tests/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cordova-plugin-inappbrowser-tests",
-  "version": "3.2.1-dev",
+  "version": "4.0.0-dev",
   "description": "",
   "cordova": {
     "id": "cordova-plugin-inappbrowser-tests",
diff --git a/tests/plugin.xml b/tests/plugin.xml
index c3e14be..7aaff8c 100644
--- a/tests/plugin.xml
+++ b/tests/plugin.xml
@@ -20,7 +20,7 @@
 
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
     id="cordova-plugin-inappbrowser-tests"
-    version="3.2.1-dev">
+    version="4.0.0-dev">
     <name>Cordova InAppBrowser Plugin Tests</name>
     <license>Apache 2.0</license>