diff --git a/package-lock.json b/package-lock.json
index 758b367..f0a0b15 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -533,11 +533,18 @@
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-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-6.1.6.tgz",
-      "integrity": "sha512-RFkxNDq8iIfO1SaOuUYqOGD/pujMqifJ9FeVg8M2v7ucW01coXAG0IwqUEMMShQj3GGJGHj+F9BNswN7aD2uvw==",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
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-        "tslib": "^1.9.0"
+        "tslib": "^2.0.0"
+      },
+      "dependencies": {
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+          "version": "2.4.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+          "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+        }
       }
     },
     "@angular/forms": {
@@ -919,7 +926,7 @@
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     "@types/node": {
       "version": "8.9.5",
-      "resolved": "http://registry.npmjs.org/@types/node/-/node-8.9.5.tgz",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.9.5.tgz",
       "integrity": "sha512-jRHfWsvyMtXdbhnz5CVHxaBgnV6duZnPlQuRSo/dm/GnmikNcmZhxIES4E9OZjUmQ8C+HCl4KJux+cXN/ErGDQ==",
       "dev": true
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@@ -1537,7 +1544,7 @@
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         "chalk": {
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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           "dev": true,
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@@ -3620,7 +3627,7 @@
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-          "resolved": "http://registry.npmjs.org/expand-range/-/expand-range-0.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/expand-range/-/expand-range-0.1.1.tgz",
           "integrity": "sha1-TLjtoJk8pW+k9B/ELzy7TMrf8EQ=",
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@@ -8162,7 +8169,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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           "dev": true,
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@@ -10332,7 +10339,7 @@
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     "typescript": {
       "version": "2.7.2",
-      "resolved": "http://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz",
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       "dev": true
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diff --git a/package.json b/package.json
index 5c5ec29..af96430 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@angular/cdk": "^6.1.0",
     "@angular/common": "^6.1.0",
     "@angular/compiler": "^6.1.0",
-    "@angular/core": "^6.1.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^6.1.0",
     "@angular/http": "^6.1.0",
     "@angular/material": "^6.1.0",