diff --git a/config/karma.js b/config/karma.js
index d88fe04eb..bfd0dc94a 100644
--- a/config/karma.js
+++ b/config/karma.js
@@ -1,64 +1,66 @@
 // Testacular configuration file
+module.exports = function (karma) {
+  karma.set({
+    // base path, that will be used to resolve files and exclude
+    basePath: '..',
 
-// base path, that will be used to resolve files and exclude
-basePath = '..';
+    frameworks: ['jasmine'],
 
-// list of files / patterns to load in the browser
-files = [
-  JASMINE,
-  JASMINE_ADAPTER,
-  'lib/angular-1.1.5.js',
-  'test/lib/angular-mocks-1.1.5.js',
-  'test/testUtils.js',
+    // list of files / patterns to load in the browser
+    files: [
+      'lib/angular-1.1.5.js',
+      'test/lib/angular-mocks-1.1.5.js',
+      'test/testUtils.js',
 
-  'src/common.js',
-  'src/resolve.js',
-  'src/templateFactory.js',
-  'src/urlMatcherFactory.js',
-  'src/urlRouter.js',
-  'src/view.js',
-  'src/state.js',
-  'src/viewDirective.js',
-  'src/stateDirectives.js',
-  'src/stateFilters.js',
-  'src/compat.js',
+      'src/common.js',
+      'src/resolve.js',
+      'src/templateFactory.js',
+      'src/urlMatcherFactory.js',
+      'src/urlRouter.js',
+      'src/view.js',
+      'src/state.js',
+      'src/viewDirective.js',
+      'src/stateDirectives.js',
+      'src/stateFilters.js',
+      'src/compat.js',
 
-  'test/*Spec.js',
-  // 'test/compat/matchers.js',
-  // 'test/compat/*Spec.js',
-];
+      'test/*Spec.js',
+      // 'test/compat/matchers.js',
+      // 'test/compat/*Spec.js',
+    ],
 
-// list of files to exclude
-exclude = [];
+    // list of files to exclude
+    exclude: [],
 
-// use dots reporter, as travis terminal does not support escaping sequences
-// possible values: 'dots' || 'progress'
-reporter = 'dots';
+    // use dots reporter, as travis terminal does not support escaping sequences
+    // possible values: 'dots' || 'progress'
+    reporters: 'dots',
 
-// these are default values, just to show available options
+    // these are default values, just to show available options
 
-// web server port
-port = 8080;
+    // web server port
+    port: 8080,
 
-// enable / disable colors in the output (reporters and logs)
-colors = true;
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
 
-// level of logging
-// possible values: LOG_DISABLE || LOG_ERROR || LOG_WARN || LOG_INFO || LOG_DEBUG
-logLevel = LOG_DEBUG;
+    // level of logging
+    // possible values: LOG_DISABLE || LOG_ERROR || LOG_WARN || LOG_INFO || LOG_DEBUG
+    logLevel: karma.LOG_DEBUG,
 
-// enable / disable watching file and executing tests whenever any file changes
-autoWatch = false;
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: false,
 
-// polling interval in ms (ignored on OS that support inotify)
-autoWatchInterval = 0;
-
-// Start these browsers, currently available:
-// - Chrome
-// - ChromeCanary
-// - Firefox
-// - Opera
-// - Safari
-// - PhantomJS
-browsers = [ 'PhantomJS' ];
+    // polling interval in ms (ignored on OS that support inotify)
+    autoWatchInterval: 0,
 
+    // Start these browsers, currently available:
+    // - Chrome
+    // - ChromeCanary
+    // - Firefox
+    // - Opera
+    // - Safari
+    // - PhantomJS
+    browsers: [ 'PhantomJS' ]
+  })
+};
\ No newline at end of file
diff --git a/package.json b/package.json
index ead99ed8a..de69ed37a 100644
--- a/package.json
+++ b/package.json
@@ -38,24 +38,24 @@
   "dependencies": {},
   "devDependencies": {
     "grunt": "~0.4.1",
-    "grunt-contrib-concat": "~0.1.3",
-    "grunt-contrib-uglify": "~0.2.0",
-    "grunt-contrib-jshint": "~0.3.0",
-    "grunt-contrib-watch": "~0.3.1",
-    "grunt-contrib-connect": "~0.2.0",
-    "grunt-contrib-clean": "~0.4.0",
-    "grunt-karma": "~0.4.3",
-    "jsdoc": "git://github.com/jsdoc3/jsdoc.git#v3.1.1",
-    "shelljs": "~0.1.4",
+    "grunt-contrib-concat": "~0.3.0",
+    "grunt-contrib-uglify": "~0.2.7",
+    "grunt-contrib-jshint": "~0.7.1",
+    "grunt-contrib-watch": "~0.5.3",
+    "grunt-contrib-connect": "~0.5.0",
+    "grunt-contrib-clean": "~0.5.0",
+    "grunt-karma": "~0.6.2",
+    "jsdoc": "git://github.com/jsdoc3/jsdoc.git#v3.2.2",
+    "shelljs": "~0.2.6",
     "faithful-exec": "~0.1.0",
     "karma-firefox-launcher": "~0.1.0",
     "karma-chrome-launcher": "~0.1.0",
     "karma-html2js-preprocessor": "~0.1.0",
-    "karma-jasmine": "~0.1.0",
+    "karma-jasmine": "~0.1.3",
     "karma-requirejs": "~0.1.0",
     "karma-script-launcher": "~0.1.0",
     "karma-coffee-preprocessor": "~0.1.0",
-    "karma": "~0.10.1",
+    "karma": "~0.10.4",
     "karma-phantomjs-launcher": "~0.1.0",
     "load-grunt-tasks": "~0.2.0",
     "grunt-conventional-changelog": "~1.0.0"
diff --git a/src/state.js b/src/state.js
index ffb0a6ed1..ed9c985ef 100644
--- a/src/state.js
+++ b/src/state.js
@@ -1,7 +1,7 @@
 $StateProvider.$inject = ['$urlRouterProvider', '$urlMatcherFactoryProvider', '$locationProvider'];
 function $StateProvider(   $urlRouterProvider,   $urlMatcherFactory,           $locationProvider) {
 
-  var root, states = {}, $state, queue = {};
+  var root, states = {}, $state, queue = {}, abstractKey = 'abstract';
 
   // Builds state properties from definition passed to registerState()
   var stateBuilder = {
@@ -178,7 +178,7 @@ function $StateProvider(   $urlRouterProvider,   $urlMatcherFactory,           $
     states[name] = state;
 
     // Register the state in the global state list and with $urlRouter if necessary.
-    if (!state['abstract'] && state.url) {
+    if (!state[abstractKey] && state.url) {
       $urlRouterProvider.when(state.url, ['$match', '$stateParams', function ($match, $stateParams) {
         if ($state.$current.navigable != state || !equalForKeys($match, $stateParams)) {
           $state.transitionTo(state, $match, { location: false });
@@ -318,7 +318,7 @@ function $StateProvider(   $urlRouterProvider,   $urlMatcherFactory,           $
           throw new Error("No such state '" + to + "'");
         }
       }
-      if (toState['abstract']) throw new Error("Cannot transition to abstract state '" + to + "'");
+      if (toState[abstractKey]) throw new Error("Cannot transition to abstract state '" + to + "'");
       if (options.inherit) toParams = inheritParams($stateParams, toParams || {}, $state.$current, toState);
       to = toState;