diff --git a/Chapter06/package.json b/Chapter06/package.json
index c8877a7..38417d2 100644
--- a/Chapter06/package.json
+++ b/Chapter06/package.json
@@ -2,7 +2,7 @@
   "dependencies": {
     "@angular/common": "2.0.0-rc.3",
     "@angular/compiler": "2.0.0-rc.3",
-    "@angular/core": "2.0.0-rc.3",
+    "@angular/core": "10.2.5",
     "@angular/http": "2.0.0-rc.3",
     "@angular/platform-browser": "2.0.0-rc.3",
     "@angular/platform-browser-dynamic": "2.0.0-rc.3",