diff --git a/karma.conf.js b/karma.conf.js
index 442610e0..87625dce 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -68,7 +68,7 @@ module.exports = function(config) {
 
         // start these browsers
         // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-        browsers: [process.env.TRAVIS ? 'Firefox' : 'Chrome'],
+        browsers: process.env.TRAVIS ? ['Firefox'] : ['Firefox', 'Chrome'],
 
         // Continuous Integration mode
         // if true, Karma captures browsers, runs the tests and exits
diff --git a/package.json b/package.json
index 10a84efe..c60cecce 100644
--- a/package.json
+++ b/package.json
@@ -27,18 +27,16 @@
   "typings": "./ng2-translate.d.ts",
   "homepage": "https://github.com/ocombe/ng2-translate",
   "peerDependencies": {
-    "angular2": ">= 2.0.0-beta.10",
-    "es6-shim": ">= 0.33.3",
-    "reflect-metadata": ">= 0.1.2",
-    "rxjs": ">= 5.0.0-beta.2",
-    "zone.js": ">= 0.6.4"
+    "angular2": ">= 2.0.0-beta.10"
   },
   "devDependencies": {
-    "angular2": "2.0.0-beta.12",
+    "angular2": "2.0.0-beta.15",
     "commitizen": "~2.5.0",
     "cz-conventional-changelog": "~1.1.4",
     "es6-promise": "^3.0.2",
     "es6-shim": "^0.35.0",
+    "gulp": "^3.9.1",
+    "gulp-git": "^1.7.1",
     "jasmine-core": "~2.4.1",
     "karma": "~0.13.15",
     "karma-chrome-launcher": "~0.2.2",
@@ -53,7 +51,7 @@
     "tsd": "^0.6.5",
     "typescript": "^1.8.9",
     "typings": "^0.6.8",
-    "zone.js": "^0.6.6"
+    "zone.js": "^0.6.10"
   },
   "czConfig": {
     "path": "node_modules/cz-conventional-changelog"