diff --git a/demo-app/package-lock.json b/demo-app/package-lock.json
index ba94d1d..2903dca 100644
--- a/demo-app/package-lock.json
+++ b/demo-app/package-lock.json
@@ -543,9 +543,9 @@
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     },
     "@angular/core": {
-      "version": "10.1.0",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-10.1.0.tgz",
-      "integrity": "sha512-lENt8Wk1vVsIiHeZVzXCZoHY13BxkqmulEw/AdUOh4VQxoU5K3z1o7fC1cvPHBvBEUnhbD2pDC1UHcY1G9yLRw==",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "requires": {
         "tslib": "^2.0.0"
       }
@@ -9681,7 +9681,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -11735,7 +11735,7 @@
     },
     "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=",
       "dev": true,
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@@ -12611,6 +12611,7 @@
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           "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
           "dev": true,
+          "optional": true,
           "requires": {
             "arr-flatten": "^1.1.0",
             "array-unique": "^0.3.2",
@@ -12629,6 +12630,7 @@
               "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-extendable": "^0.1.0"
               }
@@ -12661,6 +12663,7 @@
           "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
           "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
           "dev": true,
+          "optional": true,
           "requires": {
             "extend-shallow": "^2.0.1",
             "is-number": "^3.0.0",
@@ -12673,6 +12676,7 @@
               "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-extendable": "^0.1.0"
               }
@@ -12724,6 +12728,7 @@
           "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
           "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2"
           },
@@ -12733,6 +12738,7 @@
               "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
               "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-buffer": "^1.1.5"
               }
@@ -12744,6 +12750,7 @@
           "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
           "integrity": "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
           "dev": true,
+          "optional": true,
           "requires": {
             "arr-diff": "^4.0.0",
             "array-unique": "^0.3.2",
@@ -12777,6 +12784,7 @@
           "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
           "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "is-number": "^3.0.0",
             "repeat-string": "^1.6.1"
diff --git a/demo-app/package.json b/demo-app/package.json
index b174b74..2ccfd4c 100644
--- a/demo-app/package.json
+++ b/demo-app/package.json
@@ -16,7 +16,7 @@
     "@angular/cdk": "^10.2.0",
     "@angular/common": "^10.1.0",
     "@angular/compiler": "^10.1.0",
-    "@angular/core": "^10.1.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^10.1.0",
     "@angular/material": "^10.2.0",
     "@angular/platform-browser": "^10.1.0",