diff --git a/package-lock.json b/package-lock.json
index dca0964..2eff23f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -455,9 +455,19 @@
       }
     },
     "@angular/core": {
-      "version": "9.1.9",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-9.1.9.tgz",
-      "integrity": "sha512-q/DERgVU6vK2LtTcdVCGGBcoO424WsEfImh3Vcuy+P/ZVmthlDUC/+q+tSKt8MMf4hLpxFDQJE8vUSkktj7QEw=="
+      "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"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.4.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+          "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+        }
+      }
     },
     "@angular/forms": {
       "version": "9.1.9",
@@ -12549,6 +12559,7 @@
           "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"
           }
@@ -12592,6 +12603,7 @@
           "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"
           }
@@ -12601,6 +12613,7 @@
           "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"
           }
diff --git a/package.json b/package.json
index 81a435c..dd70c1b 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "@angular/animations": "~9.1.6",
     "@angular/common": "~9.1.6",
     "@angular/compiler": "~9.1.6",
-    "@angular/core": "~9.1.6",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~9.1.6",
     "@angular/platform-browser": "~9.1.6",
     "@angular/platform-browser-dynamic": "~9.1.6",