diff --git a/package-lock.json b/package-lock.json
index 1ce92b2..a41eb0d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -335,11 +335,18 @@
       }
     },
     "@angular/core": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-6.1.0.tgz",
-      "integrity": "sha512-gWu9Q7q2+fhFC5dl/BvGW7Ha7NUJtK9wQLYQlfIMim4lKTOiM1/S0MYBVMrEq58ldMr9DnA35f5jGno3x6/v+g==",
+      "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 cbbe0ba..c1543d3 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@angular/cdk": "^6.4.2",
     "@angular/common": "^6.1.0",
     "@angular/compiler": "^6.1.0",
-    "@angular/core": "^6.1.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^6.1.0",
     "@angular/http": "^6.1.0",
     "@angular/material": "^6.4.2",