diff --git a/ponyracer/package.json b/ponyracer/package.json
index 8838646e3..5c5028455 100644
--- a/ponyracer/package.json
+++ b/ponyracer/package.json
@@ -26,7 +26,7 @@
     "zone.js": "^0.8.19"
   },
   "devDependencies": {
-    "@angular/cli": "~6.0.0-beta.3",
+    "@angular/cli": "~6.0.0-beta.4",
     "@angular/compiler-cli": "^5.2.0",
     "@angular/language-service": "^5.2.0",
     "@types/jasmine": "~2.8.6",