diff --git a/package-lock.json b/package-lock.json
index 02f06a4..6d55823 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -508,11 +508,18 @@
       }
     },
     "@angular/core": {
-      "version": "8.2.14",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-8.2.14.tgz",
-      "integrity": "sha512-zeePkigi+hPh3rN7yoNENG/YUBUsIvUXdxx+AZq+QPaFeKEA2FBSrKn36ojHFrdJUjKzl0lPMEiGC2b6a6bo6g==",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "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=="
+        }
       }
     },
     "@angular/forms": {
@@ -7487,7 +7494,8 @@
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
       "integrity": "sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "pify": {
       "version": "4.0.1",
diff --git a/package.json b/package.json
index 4c99fbc..7577d57 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@angular/cdk": "~8.2.3",
     "@angular/common": "^8.0.0",
     "@angular/compiler": "^8.0.0",
-    "@angular/core": "^8.0.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^8.0.0",
     "@angular/material": "^8.2.3",
     "@angular/platform-browser": "^8.0.0",