diff --git a/package-lock.json b/package-lock.json
index 5711948..69e711d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,12 +14,20 @@
       }
     },
     "@angular/core": {
-      "version": "7.2.1",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-7.2.1.tgz",
-      "integrity": "sha512-FYNAf4chxBoIVGCW2+fwR2MB2Ur5v1aG9L6zCcMXlZLbR64bu5j2m4e70RhXk/VptKvYWJ45od3xE5KfcaeEig==",
+      "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": "^1.9.0"
+        "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
+        }
       }
     },
     "@babel/code-frame": {
diff --git a/package.json b/package.json
index 6e4a9e0..a86e006 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   },
   "devDependencies": {
     "@angular/compiler": "^7.2.1",
-    "@angular/core": "^7.2.1",
+    "@angular/core": "^11.0.5",
     "@types/chai": "^4.1.7",
     "@types/lodash": "^4.14.120",
     "@types/mocha": "^5.2.5",