diff --git a/package-lock.json b/package-lock.json
index 3626d15..f04de51 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -130,11 +130,18 @@
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     },
     "@angular/core": {
-      "version": "4.4.7",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-4.4.7.tgz",
-      "integrity": "sha512-Jxs6gNTl5KjXflg5vi5rlnokq1johFccN94qSOgDv+Mg1iuGF2i9p7EHkw3Y8jBCVaSLw1qgHE+wMb6KTlJDLA==",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "requires": {
-        "tslib": "^1.7.1"
+        "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": {
@@ -2006,7 +2013,7 @@
       "dependencies": {
         "core-js": {
           "version": "1.2.7",
-          "resolved": "http://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
           "integrity": "sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY="
         },
         "fbjs": {
@@ -3359,7 +3366,7 @@
     },
     "fbjs": {
       "version": "0.3.2",
-      "resolved": "http://registry.npmjs.org/fbjs/-/fbjs-0.3.2.tgz",
+      "resolved": "https://registry.npmjs.org/fbjs/-/fbjs-0.3.2.tgz",
       "integrity": "sha1-AzpUBZUIS13jUJpAXQbxoqjlufs=",
       "requires": {
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@@ -3371,7 +3378,7 @@
       "dependencies": {
         "core-js": {
           "version": "1.2.7",
-          "resolved": "http://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
           "integrity": "sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY="
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@@ -8710,7 +8717,7 @@
       "dependencies": {
         "core-js": {
           "version": "1.2.7",
-          "resolved": "http://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
           "integrity": "sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY="
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         "fbjs": {
@@ -8742,7 +8749,7 @@
       "dependencies": {
         "core-js": {
           "version": "1.2.7",
-          "resolved": "http://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
           "integrity": "sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY="
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         "fbjs": {
@@ -11515,7 +11522,7 @@
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     "whatwg-fetch": {
       "version": "0.9.0",
-      "resolved": "http://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-0.9.0.tgz",
+      "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-0.9.0.tgz",
       "integrity": "sha1-DjaExsuZlbQ+/J3wPkw2XZX9nMA="
     },
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diff --git a/package.json b/package.json
index e695f16..39272dc 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@angular/animations": "^4.2.4",
     "@angular/common": "^4.2.4",
     "@angular/compiler": "^4.2.4",
-    "@angular/core": "^4.2.4",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^4.2.4",
     "@angular/http": "^4.2.4",
     "@angular/platform-browser": "^4.2.4",