diff --git a/package.json b/package.json
index 1bf7442..145988d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ionic-native-mocks",
-  "version": "2.0.6",
+  "version": "2.0.7",
   "description": "Mocks for Ionic Native for Cordova and Ionic with TypeScript, ES6+, Promise and Observable support",
   "author": "Chris Griffith <chris.griffith@gmail.com> (https://aj-sofwtare.com)",
   "homepage": "https://github.com/chrisgriffith/ionic-native-mocks#readme",
diff --git a/scripts/build/build.js b/scripts/build/build.js
index 5b103bf..aa99e35 100755
--- a/scripts/build/build.js
+++ b/scripts/build/build.js
@@ -19,7 +19,7 @@ const ROOT = path.resolve(path.join(__dirname, '../../')), // root ionic-native
 // dependency versions
 const ANGULAR_VERSION = '*',
   RXJS_VERSION = '^5.0.1',
-  MIN_CORE_VERSION = '^3.12.0',
+  MIN_CORE_VERSION = '^4.1.0',
   IONIC_NATIVE_VERSION = require(path.resolve(ROOT, 'package.json')).version;
 
 // package dependencies