diff --git a/README.md b/README.md
index 6abd850..cdcd055 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Angular Elastic Input [![Build Status](https://travis-ci.org/jacek-pulit/angular-elastic-input.svg?branch=master)](https://travis-ci.org/jacek-pulit/angular-elastic-input)
+# Angular Elastic Input [![Build Status](https://travis-ci.org/jacek-pulit/angular-elastic-input.svg?branch=master)](https://travis-ci.org/jacek-pulit/angular-elastic-input) [![Greenkeeper badge](https://badges.greenkeeper.io/jacek-pulit/angular-elastic-input.svg)](https://greenkeeper.io/)
 
 A directive for AngularJS which automatically resizes the width of input field according to the content, while typing.
 
diff --git a/package.json b/package.json
index 1c0f798..fb434c7 100644
--- a/package.json
+++ b/package.json
@@ -26,23 +26,23 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "grunt": "~0.4.5",
-    "grunt-bump": "0.0.16",
-    "grunt-contrib-clean": "^0.5.0",
-    "grunt-contrib-jshint": "^0.10.0",
-    "grunt-contrib-uglify": "^0.5.0",
-    "grunt-contrib-watch": "^0.6.1",
-    "grunt-karma": "^0.12.0",
+    "grunt": "~1.0.3",
+    "grunt-bump": "0.8.0",
+    "grunt-contrib-clean": "^2.0.0",
+    "grunt-contrib-jshint": "^2.0.0",
+    "grunt-contrib-uglify": "^4.0.0",
+    "grunt-contrib-watch": "^1.1.0",
+    "grunt-karma": "^3.0.0",
     "grunt-ngmin": "0.0.3",
-    "jasmine-core": "^2.3.4",
-    "jshint-stylish": "^0.4.0",
-    "karma": "^0.13.9",
-    "karma-jasmine": "^0.3.6",
-    "karma-phantomjs-launcher": "^0.2.1",
-    "load-grunt-configs": "~0.4.0",
-    "load-grunt-tasks": "~0.6.0",
-    "phantomjs": "^1.9.18",
+    "jasmine-core": "^3.2.1",
+    "jshint-stylish": "^2.2.1",
+    "karma": "^3.0.0",
+    "karma-jasmine": "^1.1.2",
+    "karma-phantomjs-launcher": "^1.0.4",
+    "load-grunt-configs": "~1.0.0",
+    "load-grunt-tasks": "~4.0.0",
+    "phantomjs": "^2.1.7",
     "phantomjs-polyfill": "0.0.2",
-    "time-grunt": "~0.4.0"
+    "time-grunt": "~1.4.0"
   }
 }