diff --git a/TLSfront/package-lock.json b/TLSfront/package-lock.json
index d7f97f0..647d49f 100644
--- a/TLSfront/package-lock.json
+++ b/TLSfront/package-lock.json
@@ -153,11 +153,18 @@
       }
     },
     "@angular/core": {
-      "version": "4.4.7",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-4.4.7.tgz",
-      "integrity": "sha512-Jxs6gNTl5KjXflg5vi5rlnokq1johFccN94qSOgDv+Mg1iuGF2i9p7EHkw3Y8jBCVaSLw1qgHE+wMb6KTlJDLA==",
+      "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": {
@@ -5766,7 +5773,7 @@
         },
         "es6-promise": {
           "version": "3.0.2",
-          "resolved": "http://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz",
           "integrity": "sha1-AQ1YWEI6XxGJeWZfRkhqlcbuK7Y=",
           "dev": true
         },
@@ -5778,7 +5785,7 @@
         },
         "readable-stream": {
           "version": "2.0.6",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
           "integrity": "sha1-j5A0HmilPMySh4jaz80Rs265t44=",
           "dev": true,
           "requires": {
diff --git a/TLSfront/package.json b/TLSfront/package.json
index d60d49e..7993a53 100644
--- a/TLSfront/package.json
+++ b/TLSfront/package.json
@@ -16,7 +16,7 @@
     "@angular/cdk": "^6.4.7",
     "@angular/common": "^4.2.4",
     "@angular/compiler": "^4.2.4",
-    "@angular/core": "^4.2.4",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^4.2.4",
     "@angular/http": "^4.2.4",
     "@angular/material": "^6.4.7",