diff --git a/angular/ch5/package-lock.json b/angular/ch5/package-lock.json
index 6cc0aed..78b021a 100644
--- a/angular/ch5/package-lock.json
+++ b/angular/ch5/package-lock.json
@@ -400,9 +400,9 @@
       }
     },
     "@angular/core": {
-      "version": "10.0.14",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-10.0.14.tgz",
-      "integrity": "sha512-m+c9g6fA/gE+6K7It01b6r8TEmbuFjUZajQ9gG/pzist0mTBcqfvn0O4h5X+ebnSgw/bbnnp+4PbaXEi1pOWZQ==",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "requires": {
         "tslib": "^2.0.0"
       }
diff --git a/angular/ch5/package.json b/angular/ch5/package.json
index 5fa477e..c6e311b 100644
--- a/angular/ch5/package.json
+++ b/angular/ch5/package.json
@@ -14,7 +14,7 @@
     "@angular/animations": "~10.0.2",
     "@angular/common": "~10.0.2",
     "@angular/compiler": "~10.0.2",
-    "@angular/core": "~10.0.2",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~10.0.2",
     "@angular/platform-browser": "~10.0.2",
     "@angular/platform-browser-dynamic": "~10.0.2",