diff --git a/karma-test-shim.js b/karma-test-shim.js
index 657eb9cd..7d39ab87 100644
--- a/karma-test-shim.js
+++ b/karma-test-shim.js
@@ -12,11 +12,11 @@ System.config({
     defaultJSExtensions: true,
     paths: {
         'angular2/*': 'node_modules/angular2/*.js',
-        '@reactivex/rxjs/*': 'node_modules/@reactivex/rxjs/*.js'
+        'rxjs/*': 'node_modules/rxjs/*.js'
     }
 });
 
-System.import('angular2/src/core/dom/browser_adapter').then(function(browser_adapter) {
+System.import('angular2/src/platform/browser/browser_adapter').then(function(browser_adapter) {
     browser_adapter.BrowserDomAdapter.makeCurrent();
 }).then(function() {
         return Promise.all(
diff --git a/karma.conf.js b/karma.conf.js
index 119a6b26..58f3b51b 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -25,9 +25,9 @@ module.exports = function(config) {
             'node_modules/systemjs/dist/system.src.js',
             'node_modules/reflect-metadata/Reflect.js',
 
-            { pattern: 'node_modules/angular2/**/*.js', included: false, watched: false },
-            { pattern: 'node_modules/@reactivex/rxjs/dist/**/*.js', included: false, watched: false },
-            { pattern: 'node_modules/systemjs/dist/system-polyfills.js', included: false, watched: false }, // PhantomJS2 (and possibly others) might require it
+            { pattern: 'node_modules/angular2/**/*.js', included: false, watched: false, served: true },
+            { pattern: 'node_modules/rxjs/**/*.js', included: false, watched: false, served: true },
+            { pattern: 'node_modules/systemjs/dist/system-polyfills.js', included: false, watched: false, served: true }, // PhantomJS2 (and possibly others) might require it
 
             { pattern: 'src/**/*.js', included: false, watched: true }, // source files
             { pattern: 'tests/**/*.spec.js', included: false, watched: true }, // test files
@@ -75,7 +75,7 @@ module.exports = function(config) {
         singleRun: true,
 
         // Concurrency level
-        // how many browser should be started simultaneous
+        // how many browser should be started simultanous
         concurrency: Infinity
     })
 };
diff --git a/package.json b/package.json
index 2c746a89..f738bd8a 100644
--- a/package.json
+++ b/package.json
@@ -26,21 +26,21 @@
   "typings": "./ng2-translate.d.ts",
   "homepage": "https://github.com/ocombe/ng2-translate",
   "dependencies": {
-    "@reactivex/rxjs": "^5.0.0-alpha.6",
-    "angular2": "^2.0.0-alpha.46"
+    "rxjs": "5.0.0-alpha.11",
+    "angular2": "2.0.0-alpha.48"
   },
   "devDependencies": {
-    "commitizen": "^2.4.6",
-    "cz-conventional-changelog": "^1.1.4",
-    "es6-shim": "^0.33.13",
+    "commitizen": "~2.4.6",
+    "cz-conventional-changelog": "~1.1.4",
+    "es6-shim": "~0.33.13",
     "jasmine-core": "~2.3.4",
-    "karma": "^0.13.15",
-    "karma-chrome-launcher": "^0.2.2",
-    "karma-firefox-launcher": "^0.1.7",
-    "karma-jasmine": "^0.3.6",
-    "semantic-release": "^4.3.5",
-    "systemjs": "^0.19.6",
-    "typescript": "^1.6.2"
+    "karma": "~0.13.15",
+    "karma-chrome-launcher": "~0.2.2",
+    "karma-firefox-launcher": "~0.1.7",
+    "karma-jasmine": "~0.3.6",
+    "semantic-release": "~4.3.5",
+    "systemjs": "~0.19.6",
+    "typescript": "~1.6.2"
   },
   "czConfig": {
     "path": "node_modules/cz-conventional-changelog"
diff --git a/src/translate.service.ts b/src/translate.service.ts
index 112f2f05..6484f62e 100644
--- a/src/translate.service.ts
+++ b/src/translate.service.ts
@@ -1,7 +1,13 @@
 import {Injectable, EventEmitter} from 'angular2/angular2';
 import {Http, Response} from 'angular2/http';
 // doc: https://github.com/ReactiveX/RxJS/blob/master/doc/operator-creation.md
-import {Observable} from '@reactivex/rxjs/dist/cjs/Rx';
+import {Observable} from 'rxjs/Observable';
+// todo just use Observable.of when using rxjs alpha > 11
+import {ArrayObservable} from 'rxjs/observable/fromArray'
+import 'rxjs/operators/share';
+// todo uncomment this once using rxjs alpha > 11
+//import 'rxjs/add/operator/share';
+
 import {Parser} from './translate.parser';
 
 interface TranslateLoader {
@@ -100,10 +106,10 @@ export class TranslateService {
             });
 
             return pending;
-        } else { // we have this language, return an observable
+        } else { // we have this language, return an Observable
             this.changeLang(lang);
 
-            return Observable.of(this.translations[lang]);
+            return ArrayObservable.of(this.translations[lang]);
         }
     }
 
@@ -151,7 +157,7 @@ export class TranslateService {
         if(this.pending) {
             return this.pending.map((res: any) => this.parser.interpolate(res[key], interpolateParams) || key);
         } else {
-            return Observable.of(this.translations && this.translations[this.currentLang]
+            return ArrayObservable.of(this.translations && this.translations[this.currentLang]
               ? this.parser.interpolate(this.translations[this.currentLang][key], interpolateParams) : key || key);
         }
     }