diff --git a/package.json b/package.json
index 7a127e3..1c0074e 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "@angular/cli": "1.0.6",
     "@angular/common": "^4.0.0",
     "@angular/compiler-cli": "^4.0.0",
-    "@angular/core": "^4.0.0",
+    "@angular/core": "^5.1.1",
     "@angular/forms": "^4.0.0",
     "@angular/platform-browser": "^4.0.0",
     "@angular/platform-browser-dynamic": "^4.0.0",