diff --git a/ponyracer/package.json b/ponyracer/package.json
index 45e122d3c..1bf65c94e 100644
--- a/ponyracer/package.json
+++ b/ponyracer/package.json
@@ -5,7 +5,7 @@
   "scripts": {
     "ng": "ng",
     "start": "ng serve",
-    "build": "ng build --prod",
+    "build": "ng build",
     "test": "ng test",
     "lint": "ng lint",
     "e2e": "ng e2e"
@@ -29,7 +29,7 @@
     "@angular/compiler-cli": "^6.0.0-rc.1",
     "@angular-devkit/build-angular": "~0.5.0",
     "typescript": "~2.7.2",
-    "@angular/cli": "~6.0.0-rc.1",
+    "@angular/cli": "~6.0.0-rc.2",
     "@angular/language-service": "^6.0.0-rc.1",
     "@types/jasmine": "~2.8.6",
     "@types/jasminewd2": "~2.0.3",