diff --git a/package-lock.json b/package-lock.json
index 6f4957b..92144ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -562,11 +562,18 @@
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     },
     "@angular/core": {
-      "version": "8.0.2",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-8.0.2.tgz",
-      "integrity": "sha512-g8BRvGZxTXb5GZ/xoC5Z94DGK3wMiD2jbmEQEbXGNM+c8E/Mo/W8GF44P7EU2d+V1oJoUh75SRK6U/StC+rLqA==",
+      "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": {
@@ -4531,7 +4538,7 @@
     },
     "express": {
       "version": "4.16.3",
-      "resolved": "http://registry.npmjs.org/express/-/express-4.16.3.tgz",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.16.3.tgz",
       "integrity": "sha1-avilAjUNsyRuzEvs9rWjTSL37VM=",
       "requires": {
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@@ -4652,7 +4659,7 @@
       "dependencies": {
         "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="
         }
       }
@@ -5705,7 +5712,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
         }
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@@ -7690,7 +7697,7 @@
     },
     "magic-string": {
       "version": "0.22.5",
-      "resolved": "http://registry.npmjs.org/magic-string/-/magic-string-0.22.5.tgz",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.22.5.tgz",
       "integrity": "sha512-oreip9rJZkzvA8Qzk9HFs8fZGF/u7H/gtrE8EN6RjKJ9kh2HlC+yQ2QezifqTZfGyiuAV0dRv5a+y/8gBb1m9w==",
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@@ -14197,7 +14204,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
         }
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@@ -15128,7 +15135,7 @@
       "dependencies": {
         "minimist": {
           "version": "0.0.5",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.5.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.5.tgz",
           "integrity": "sha1-16oye87PUY+RBqxrjwA/o7zqhWY="
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@@ -15918,7 +15925,7 @@
       "dependencies": {
         "readable-stream": {
           "version": "1.1.14",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "requires": {
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diff --git a/package.json b/package.json
index 24b711a..f2fd13b 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@angular/cdk": "^8.0.1",
     "@angular/common": "~8.0.1",
     "@angular/compiler": "~8.0.1",
-    "@angular/core": "~8.0.1",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~8.0.1",
     "@angular/material": "^8.0.1",
     "@angular/platform-browser": "~8.0.1",