diff --git a/app-tree-items-edit/ng2-tree/package.json b/app-tree-items-edit/ng2-tree/package.json
index 97ed88c..6c06cbf 100644
--- a/app-tree-items-edit/ng2-tree/package.json
+++ b/app-tree-items-edit/ng2-tree/package.json
@@ -61,7 +61,7 @@
     "@angular/common": "5.0.2",
     "@angular/compiler": "5.0.2",
     "@angular/compiler-cli": "5.0.2",
-    "@angular/core": "5.0.2",
+    "@angular/core": "10.2.5",
     "@angular/forms": "5.0.2",
     "@angular/http": "5.0.2",
     "@angular/language-service": "5.0.2",