diff --git a/client/package-lock.json b/client/package-lock.json
index f54b3bd..3ade5f4 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -310,11 +310,18 @@
       }
     },
     "@angular/core": {
-      "version": "8.0.3",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-8.0.3.tgz",
-      "integrity": "sha512-IIxrtIPNuv2+HudER9J1nmPGiGJ4aRpeiFM9V4lSiSFv50RzuaoG60XqYIpUyuBdgvyKigcrfSbu9+x1vyN0hw==",
+      "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": {
@@ -3631,7 +3638,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -4055,7 +4063,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4111,6 +4120,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4154,12 +4164,14 @@
         "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/client/package.json b/client/package.json
index 49173b7..32710c4 100644
--- a/client/package.json
+++ b/client/package.json
@@ -15,7 +15,7 @@
         "@angular/cdk": "~8.2.3",
         "@angular/common": "~8.0.0",
         "@angular/compiler": "~8.0.0",
-        "@angular/core": "~8.0.0",
+        "@angular/core": "~11.0.5",
         "@angular/forms": "~8.0.0",
         "@angular/material": "^8.2.3",
         "@angular/platform-browser": "~8.0.0",