diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 6504ce7..7c4b236
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "utf8": "^3.0.0"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "0.6.3",
+    "@angular-devkit/build-angular": "0.900.4",
     "@angular/cli": "6.0.5",
     "@angular/common": "6.0.5",
     "@angular/compiler": "6.0.5",