diff --git a/client2/package-lock.json b/client2/package-lock.json
index 39ae622..e3b07e0 100644
--- a/client2/package-lock.json
+++ b/client2/package-lock.json
@@ -39,9 +39,12 @@
       }
     },
     "@angular/core": {
-      "version": "5.2.10",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-5.2.10.tgz",
-      "integrity": "sha512-glDuTtHTcAVhfU3NVewxz/W+Iweq5IaeW2tnMa+RKLopYk9fRs8eR5iTixTGvegwKR770vfXg/gR7P6Ii5cYGQ=="
+      "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"
+      }
     },
     "@angular/forms": {
       "version": "5.2.10",
@@ -275,6 +278,11 @@
         }
       }
     },
+    "tslib": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+      "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+    },
     "tslint": {
       "version": "5.9.1",
       "resolved": "https://registry.npmjs.org/tslint/-/tslint-5.9.1.tgz",
diff --git a/client2/package.json b/client2/package.json
index 78cda62..5412fe9 100644
--- a/client2/package.json
+++ b/client2/package.json
@@ -15,7 +15,7 @@
     "@angular/animations": "^5.2.0",
     "@angular/common": "^5.2.0",
     "@angular/compiler": "^5.2.0",
-    "@angular/core": "^5.2.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^5.2.0",
     "@angular/http": "^5.2.0",
     "@angular/platform-browser": "^5.2.0",