diff --git a/package.json b/package.json
index b73fc3c16..c5c4e9902 100644
--- a/package.json
+++ b/package.json
@@ -22,8 +22,8 @@
   },
   "devDependencies": {
     "@angular/common": "4.4.6",
-    "@angular/compiler": "^5.0.0",
-    "@angular/compiler-cli": "^5.0.0",
+    "@angular/compiler": "4.4.6",
+    "@angular/compiler-cli": "4.4.6",
     "@angular/core": "4.4.6",
     "@angular/forms": "4.4.6",
     "@angular/http": "4.4.6",