diff --git a/package-lock.json b/package-lock.json
index 390f7ea..1f7e771 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1127,11 +1127,18 @@
       }
     },
     "@angular/core": {
-      "version": "8.2.13",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-8.2.13.tgz",
-      "integrity": "sha512-W8HN0lUQV4Sq85l17nhRIXeIfcw1ZdpgGm6to98pl0y9l/1srfzWfTnofuwCJC7gedt5AMrYJGUaNiDbByosFw==",
+      "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": {
diff --git a/package.json b/package.json
index 8de7dda..7dcd9cc 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "@angular/cli": "8.3.17",
     "@angular/common": "8.2.13",
     "@angular/compiler": "8.2.13",
-    "@angular/core": "8.2.13",
+    "@angular/core": "11.0.5",
     "@angular/forms": "8.2.13",
     "@angular/material": "7.3.6",
     "@angular/platform-browser": "8.2.13",