diff --git a/package-lock.json b/package-lock.json
index acc5fe4..0f2009d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,9 +15,12 @@
       "integrity": "sha1-DFf4SOQUMrrDIBwptkXdTdCZ0vk="
     },
     "@angular/core": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-2.3.1.tgz",
-      "integrity": "sha1-vm6R/f3XSYUGYEJj4FF5fPZ6R74="
+      "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"
+      }
     },
     "@angular/forms": {
       "version": "2.3.1",
@@ -496,7 +499,7 @@
     },
     "async": {
       "version": "1.5.2",
-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
       "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
       "dev": true
     },
@@ -621,7 +624,8 @@
         },
         "kind-of": {
           "version": "6.0.2",
-          "resolved": "",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
           "dev": true
         }
       }
@@ -721,7 +725,7 @@
         },
         "http-errors": {
           "version": "1.6.3",
-          "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
           "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
           "dev": true,
           "requires": {
@@ -1550,7 +1554,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -3492,19 +3496,19 @@
       "dependencies": {
         "core-js": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/core-js/-/core-js-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.3.0.tgz",
           "integrity": "sha1-+rg/uwstjchfpjbEudNMdUIMbWU=",
           "dev": true
         },
         "es6-promise": {
           "version": "3.0.2",
-          "resolved": "http://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz",
           "integrity": "sha1-AQ1YWEI6XxGJeWZfRkhqlcbuK7Y=",
           "dev": true
         },
         "readable-stream": {
           "version": "2.0.6",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
           "integrity": "sha1-j5A0HmilPMySh4jaz80Rs265t44=",
           "dev": true,
           "requires": {
@@ -4937,7 +4941,8 @@
         },
         "kind-of": {
           "version": "6.0.2",
-          "resolved": "",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
           "dev": true
         }
       }
@@ -5232,7 +5237,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -5314,7 +5319,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -5336,7 +5341,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -5432,6 +5437,11 @@
       "integrity": "sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==",
       "dev": true
     },
+    "tslib": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+      "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+    },
     "tslint": {
       "version": "3.15.1",
       "resolved": "https://registry.npmjs.org/tslint/-/tslint-3.15.1.tgz",
@@ -5754,7 +5764,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -5799,7 +5809,7 @@
     },
     "yargs": {
       "version": "6.4.0",
-      "resolved": "http://registry.npmjs.org/yargs/-/yargs-6.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.4.0.tgz",
       "integrity": "sha1-gW4ahm1VmMzzTlWW3c4i2S2kkNQ=",
       "dev": true,
       "requires": {
diff --git a/package.json b/package.json
index e5e9021..8b70532 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "dependencies": {
     "@angular/common": "~2.3.0",
     "@angular/compiler": "~2.3.0",
-    "@angular/core": "~2.3.0",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~2.3.0",
     "@angular/http": "~2.3.0",
     "@angular/platform-browser": "~2.3.0",