diff --git a/package-lock.json b/package-lock.json
index 3bbb099..96e3794 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -195,11 +195,18 @@
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     },
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-      "version": "7.0.4",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-7.0.4.tgz",
-      "integrity": "sha512-17SSmCz1wQoZKnVHF/T8UkWYPpDm5kPyoc1okkTTv8ZA2EAMMuZFFnRSAxEL5i7mNB9z5CvRqF2tRx/DbgbIRA==",
+      "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": {
@@ -4683,7 +4690,7 @@
     },
     "finalhandler": {
       "version": "1.1.1",
-      "resolved": "http://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
       "integrity": "sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==",
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@@ -5492,7 +5499,7 @@
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     "get-stream": {
       "version": "3.0.0",
-      "resolved": "http://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
       "integrity": "sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ="
     },
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@@ -5984,7 +5991,7 @@
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     "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=",
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@@ -8867,7 +8874,7 @@
       "dependencies": {
         "semver": {
           "version": "4.3.2",
-          "resolved": "http://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
           "integrity": "sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c="
         }
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@@ -11320,7 +11327,7 @@
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     "readable-stream": {
       "version": "2.3.6",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "requires": {
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@@ -14717,7 +14724,7 @@
     },
     "wrap-ansi": {
       "version": "2.1.0",
-      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
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@@ -14749,7 +14756,7 @@
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         "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=",
           "requires": {
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diff --git a/package.json b/package.json
index 694b118..9a0a651 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@angular/common": "~7.0",
     "@angular/compiler": "~7.0",
     "@angular/compiler-cli": "^7.2.15",
-    "@angular/core": "~7.0",
+    "@angular/core": "~11.0",
     "@angular/forms": "~7.0",
     "@angular/http": "~7.0",
     "@angular/platform-browser": "~7.0",