diff --git a/package-lock.json b/package-lock.json
index 6cfb693..c22b203 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -547,9 +547,19 @@
       }
     },
     "@angular/core": {
-      "version": "9.0.3",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-9.0.3.tgz",
-      "integrity": "sha512-zVnRHI4XFJO/5pbr9tpBDehdKpeesDcV4zmhZsUJMJTW4G1cu1bltUpxCWrbZGudnW1t6R84HOc4iEDTwTDDMQ=="
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
+      "requires": {
+        "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": {
       "version": "9.0.3",
diff --git a/package.json b/package.json
index ed25719..3af0d15 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "@angular/cdk": "^9.1.3",
     "@angular/common": "^9.0.3",
     "@angular/compiler": "^9.0.3",
-    "@angular/core": "^9.0.3",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^9.0.3",
     "@angular/material": "^9.1.3",
     "@angular/platform-browser": "^9.0.3",