diff --git a/package-lock.json b/package-lock.json
index 600b8d3..76b8db1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,12 +26,20 @@
       }
     },
     "@angular/core": {
-      "version": "5.2.5",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-5.2.5.tgz",
-      "integrity": "sha512-Uo7R3LrsvA24JkRbwXWUZWp7NSEpwdTUxT1NScyjrBK+t8ybSL5/42Jo21md5M4pjeCsIgUXlGoCm1QtT5aYnQ==",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "dev": true,
       "requires": {
-        "tslib": "^1.7.1"
+        "tslib": "^2.0.0"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.4.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+          "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==",
+          "dev": true
+        }
       }
     },
     "@sinonjs/formatio": {
diff --git a/package.json b/package.json
index 3d69532..10be16f 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
   "devDependencies": {
     "@angular/compiler": "^5.2.5",
     "@angular/compiler-cli": "^5.2.5",
-    "@angular/core": "^5.2.5",
+    "@angular/core": "^11.0.5",
     "@types/chai": "^4.0.0",
     "@types/mocha": "^2.2.41",
     "@types/node": "^8.0.10",