diff --git a/package-lock.json b/package-lock.json
index 29c35b9..30a260e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -52,11 +52,18 @@
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-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-5.2.11.tgz",
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+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
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       "requires": {
-        "tslib": "^1.7.1"
+        "tslib": "^2.0.0"
+      },
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+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+          "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+        }
       }
     },
     "@angular/forms": {
@@ -1658,7 +1665,7 @@
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       "resolved": "https://registry.npmjs.org/configstore/-/configstore-2.1.0.tgz",
-      "integrity": "sha1-c3o6cDbpiGECqmCZ5HuzOrGroaE=",
+      "integrity": "sha512-BOCxwwxF5WPspp1OBq9j0JLyL5JgJOTssz9PdOHr8VWjFijaC3PpjU48vFEX3uxx8sTusnVQckLbNzBq6fmkGw==",
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@@ -2401,7 +2408,7 @@
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       "resolved": "https://registry.npmjs.org/create-error-class/-/create-error-class-3.0.2.tgz",
-      "integrity": "sha1-Br56vvlHo/FKMP1hBnHUAbyot7Y=",
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@@ -2653,7 +2660,7 @@
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       "resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-3.0.0.tgz",
-      "integrity": "sha1-G3CK8JSknJoOfbyteQq6U52sEXc=",
+      "integrity": "sha512-k4ELWeEU3uCcwub7+dWydqQBRjAjkV9L33HjVRG5Xo2QybI6ja/v+4W73SRi8ubCqJz0l9XsTP1NbewfyqaSlw==",
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@@ -2685,7 +2692,7 @@
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       "resolved": "https://registry.npmjs.org/duplexer3/-/duplexer3-0.1.4.tgz",
-      "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI="
+      "integrity": "sha512-CEj8FwwNA4cVH2uFCoHUrmojhYh1vmCdOaneKJXwkeY1i9jnlslVo9dx+hQ5Hl9GnH/Bwy/IjxAyOePyPKYnzA=="
     },
     "ecc-jsbn": {
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@@ -3499,7 +3506,7 @@
     "google-translate-token": {
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       "resolved": "https://registry.npmjs.org/google-translate-token/-/google-translate-token-1.0.0.tgz",
-      "integrity": "sha1-vpQ0RXhvAMN2Xewx9JDawhIo0/g=",
+      "integrity": "sha512-X+cONF24KI3PP94ih3L8QlqNgVxZxsfOyJtX93UISO7TRdTSrFpp4rmDpyS/x6xRxJOLcd6ApCTAkB+tNFtc3g==",
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@@ -3508,7 +3515,7 @@
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       "resolved": "https://registry.npmjs.org/got/-/got-6.7.1.tgz",
-      "integrity": "sha1-JAzQV4WpoY5WHcG0S0HHY+8ejbA=",
+      "integrity": "sha512-Y/K3EDuiQN9rTZhBvPRWMLXIKdeD1Rj0nzunfoi0Yyn5WBEbzxXKU9Ub2X41oZBagVWOBU3MuDonFMgPWQFnwg==",
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         "duplexer3": "^0.1.4",
@@ -3756,7 +3763,7 @@
     "imurmurhash": {
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       "resolved": "https://registry.npmjs.org/imurmurhash/-/imurmurhash-0.1.4.tgz",
-      "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o="
+      "integrity": "sha512-JmXMZ6wuvDmLiHEml9ykzqO6lwFbof0GG4IkcGaENdCRDDmMVnny7s5HsIgHCbaq0w2MyPhDqkhTUgS2LU2PHA=="
     },
     "in-publish": {
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@@ -3988,7 +3995,7 @@
     "is-obj": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/is-obj/-/is-obj-1.0.1.tgz",
-      "integrity": "sha1-PkcprB9f3gJc19g6iW2rn09n2w8="
+      "integrity": "sha512-l4RyHgRqGN4Y3+9JHVrNqO+tN0rV5My76uW5/nuO4K1b6vw5G8d/cmFjP9tRfEsdhZNt0IFdZuK/c2Vr4Nb+Qg=="
     },
     "is-plain-object": {
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@@ -4018,7 +4025,7 @@
     "is-redirect": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-redirect/-/is-redirect-1.0.0.tgz",
-      "integrity": "sha1-HQPd7VO9jbDzDCbk+V02/HyH3CQ="
+      "integrity": "sha512-cr/SlUEe5zOGmzvj9bUyC4LVvkNVAXu4GytXLNMr1pny+a65MpQ9IJzFHD5vi7FyJgb4qt27+eS3TuQnqB+RQw=="
     },
     "is-retry-allowed": {
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@@ -5217,7 +5224,7 @@
     "prepend-http": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/prepend-http/-/prepend-http-1.0.4.tgz",
-      "integrity": "sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw="
+      "integrity": "sha512-PhmXi5XmoyKw1Un4E+opM2KcsJInDvKyuOumcjjw3waw86ZNjHwVUOOWLc4bCzLdcKNaWBH9e99sbWzDQsVaYg=="
     },
     "preserve": {
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diff --git a/package.json b/package.json
index 64caf75..8bd8fda 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "@angular/common": "5.2.11",
     "@angular/compiler": "5.2.11",
     "@angular/compiler-cli": "5.2.11",
-    "@angular/core": "5.2.11",
+    "@angular/core": "11.0.5",
     "@angular/forms": "5.2.11",
     "@angular/http": "5.2.11",
     "@angular/platform-browser": "5.2.11",