diff --git a/package-lock.json b/package-lock.json
index e335f15..c76d87c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -179,12 +179,20 @@
       }
     },
     "@angular/core": {
-      "version": "7.2.16",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-7.2.16.tgz",
-      "integrity": "sha512-z1RuBinuYeC4KLv8Z95YOgIQLd4nkoApdxkIZaWALwSkgeBuHJn4bCBn2cL0gJ/KO2x18TiTU5HuC+uyBt0AVQ==",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "dev": true,
       "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==",
+          "dev": true
+        }
       }
     },
     "@angular/language-service": {
@@ -1377,7 +1385,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -1801,7 +1810,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1857,6 +1867,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -1900,12 +1911,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
diff --git a/package.json b/package.json
index 4449953..fa8e66d 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
   "devDependencies": {
     "@angular/common": "^7.2.1",
     "@angular/compiler": "^7.2.1",
-    "@angular/core": "^7.2.1",
+    "@angular/core": "^11.0.5",
     "@angular/platform-browser": "^7.2.1",
     "core-js": "^2.5.7",
     "rxjs": "^6.3.3",