diff --git a/package-lock.json b/package-lock.json
index 0782a51..142bdbe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -315,11 +315,18 @@
       }
     },
     "@angular/core": {
-      "version": "8.0.0",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-8.0.0.tgz",
-      "integrity": "sha512-mrkP1PTzqCmZGLYll+TDyawLXHzi+FcRPqSuRxCmDMthUUE93SLXT2yISDkx9aMPtFKgFr6KfrIkKuCz16BP/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": {
@@ -404,6 +411,12 @@
           "integrity": "sha512-OYu7XEzjkCQ3C5Ps3QIZsQfNpqoJyZZA99wd9aWd05NCtC5pWOkShK2mkL6HXQR6/Cy2lbNdPlZBpuQHXE63gA==",
           "dev": true
         },
+        "lodash": {
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+          "dev": true
+        },
         "source-map": {
           "version": "0.5.7",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
@@ -1926,6 +1939,18 @@
         "to-object-path": "^0.3.0",
         "union-value": "^1.0.0",
         "unset-value": "^1.0.0"
+      },
+      "dependencies": {
+        "set-value": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/set-value/-/set-value-4.1.0.tgz",
+          "integrity": "sha512-zTEg4HL0RwVrqcWs3ztF+x1vkxfm0lP+MQQFPiMJTKVceBwEV0A569Ou8l9IYQG8jOZdMVI1hGsc0tmeD2o/Lw==",
+          "dev": true,
+          "requires": {
+            "is-plain-object": "^2.0.4",
+            "is-primitive": "^3.0.1"
+          }
+        }
       }
     },
     "callsite": {
@@ -5026,6 +5051,12 @@
         "isobject": "^3.0.1"
       }
     },
+    "is-primitive": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/is-primitive/-/is-primitive-3.0.1.tgz",
+      "integrity": "sha512-GljRxhWvlCNRfZyORiH77FwdFwGcMO620o37EOYC0ORWdq+WYNVqW0w2Juzew4M+L81l6/QS3t5gkkihyRqv9w==",
+      "dev": true
+    },
     "is-promise": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.1.0.tgz",
@@ -7937,29 +7968,6 @@
       "integrity": "sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E=",
       "dev": true
     },
-    "set-value": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.0.tgz",
-      "integrity": "sha512-hw0yxk9GT/Hr5yJEYnHNKYXkIA8mVJgd9ditYZCe16ZczcaELYYcfvaXesNACk2O8O0nTiPQcQhGUQj8JLzeeg==",
-      "dev": true,
-      "requires": {
-        "extend-shallow": "^2.0.1",
-        "is-extendable": "^0.1.1",
-        "is-plain-object": "^2.0.3",
-        "split-string": "^3.0.1"
-      },
-      "dependencies": {
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "dev": true,
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        }
-      }
-    },
     "setimmediate": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
diff --git a/package.json b/package.json
index 170cb82..651a39a 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@angular/cdk": "^8.0.0",
     "@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": "^8.0.0",
     "@angular/platform-browser": "^8.0.0",