diff --git a/package-lock.json b/package-lock.json
index ef7cd74d..c8b0c774 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,11 +21,18 @@
             }
         },
         "@angular/core": {
-            "version": "5.2.11",
-            "resolved": "https://registry.npmjs.org/@angular/core/-/core-5.2.11.tgz",
-            "integrity": "sha512-h2vpvXNAdOqKzbVaZcHnHGMT5A8uDnizk6FgGq6SPyw9s3d+/VxZ9LJaPjUk3g2lICA7og1tUel+2YfF971MlQ==",
+            "version": "11.0.5",
+            "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+            "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
             "requires": {
-                "tslib": "^1.7.1"
+                "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": {
@@ -840,7 +847,8 @@
                 "ansi-regex": {
                     "version": "2.1.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "aproba": {
                     "version": "1.2.0",
@@ -861,12 +869,14 @@
                 "balanced-match": {
                     "version": "1.0.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "brace-expansion": {
                     "version": "1.1.11",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "balanced-match": "^1.0.0",
                         "concat-map": "0.0.1"
@@ -881,17 +891,20 @@
                 "code-point-at": {
                     "version": "1.1.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "concat-map": {
                     "version": "0.0.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "console-control-strings": {
                     "version": "1.1.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "core-util-is": {
                     "version": "1.0.2",
@@ -1008,7 +1021,8 @@
                 "inherits": {
                     "version": "2.0.3",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "ini": {
                     "version": "1.3.5",
@@ -1020,6 +1034,7 @@
                     "version": "1.0.0",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "number-is-nan": "^1.0.0"
                     }
@@ -1034,6 +1049,7 @@
                     "version": "3.0.4",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "brace-expansion": "^1.1.7"
                     }
@@ -1041,12 +1057,14 @@
                 "minimist": {
                     "version": "0.0.8",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "minipass": {
                     "version": "2.2.4",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "safe-buffer": "^5.1.1",
                         "yallist": "^3.0.0"
@@ -1065,6 +1083,7 @@
                     "version": "0.5.1",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "minimist": "0.0.8"
                     }
@@ -1145,7 +1164,8 @@
                 "number-is-nan": {
                     "version": "1.0.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "object-assign": {
                     "version": "4.1.1",
@@ -1157,6 +1177,7 @@
                     "version": "1.4.0",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "wrappy": "1"
                     }
@@ -1242,7 +1263,8 @@
                 "safe-buffer": {
                     "version": "5.1.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "safer-buffer": {
                     "version": "2.1.2",
@@ -1278,6 +1300,7 @@
                     "version": "1.0.2",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "code-point-at": "^1.0.0",
                         "is-fullwidth-code-point": "^1.0.0",
@@ -1297,6 +1320,7 @@
                     "version": "3.0.1",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "ansi-regex": "^2.0.0"
                     }
@@ -1340,12 +1364,14 @@
                 "wrappy": {
                     "version": "1.0.2",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "yallist": {
                     "version": "3.0.2",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 }
             }
         },
diff --git a/package.json b/package.json
index 2c6931d2..c5b74f38 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "dependencies": {
         "@angular/common": "^5.0.0",
         "@angular/compiler": "^5.0.0",
-        "@angular/core": "^5.0.0",
+        "@angular/core": "^11.0.5",
         "@angular/forms": "^5.0.0",
         "@angular/platform-browser": "^5.0.0",
         "@angular/platform-browser-dynamic": "^5.0.0",