diff --git a/combobox/cascadingcomboboxes/package.json b/combobox/cascadingcomboboxes/package.json
index 8bedb32f..c27d2063 100644
--- a/combobox/cascadingcomboboxes/package.json
+++ b/combobox/cascadingcomboboxes/package.json
@@ -6,7 +6,7 @@
     "@angular/animations": "^7.0.0",
     "@angular/common": "7.0.0",
     "@angular/compiler": "7.0.0",
-    "@angular/core": "7.0.0",
+    "@angular/core": "10.2.5",
     "@angular/forms": "7.0.0",
     "@angular/http": "^7.0.0",
     "@angular/platform-browser": "7.0.0",