diff --git a/3d-models-project/graphics-models-frontend/package-lock.json b/3d-models-project/graphics-models-frontend/package-lock.json
index 340262e..0d04309 100644
--- a/3d-models-project/graphics-models-frontend/package-lock.json
+++ b/3d-models-project/graphics-models-frontend/package-lock.json
@@ -314,11 +314,18 @@
       }
     },
     "@angular/core": {
-      "version": "6.0.3",
-      "resolved": "http://registry.npm.taobao.org/@angular/core/download/@angular/core-6.0.3.tgz",
-      "integrity": "sha1-UFAhFRBcN4TSQzjdj/t93ctVtY0=",
+      "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": {
@@ -739,6 +746,7 @@
       "resolved": "http://registry.npm.taobao.org/align-text/download/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "^3.0.2",
         "longest": "^1.0.1",
@@ -750,6 +758,7 @@
           "resolved": "http://registry.npm.taobao.org/kind-of/download/kind-of-3.2.2.tgz",
           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
           "dev": true,
+          "optional": true,
           "requires": {
             "is-buffer": "^1.1.5"
           }
@@ -1353,6 +1362,7 @@
       "resolved": "http://registry.npm.taobao.org/boom/download/boom-2.10.1.tgz",
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
       "dev": true,
+      "optional": true,
       "requires": {
         "hoek": "2.x.x"
       }
@@ -4146,6 +4156,7 @@
       "resolved": "http://registry.npm.taobao.org/fstream/download/fstream-1.0.11.tgz",
       "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
       "dev": true,
+      "optional": true,
       "requires": {
         "graceful-fs": "^4.1.2",
         "inherits": "~2.0.0",
@@ -4569,7 +4580,8 @@
       "version": "2.16.3",
       "resolved": "http://registry.npm.taobao.org/hoek/download/hoek-2.16.3.tgz",
       "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "hosted-git-info": {
       "version": "2.6.0",
@@ -6124,7 +6136,8 @@
       "version": "1.0.1",
       "resolved": "http://registry.npm.taobao.org/longest/download/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "loose-envify": {
       "version": "1.3.1",
@@ -6635,7 +6648,8 @@
           "version": "2.2.1",
           "resolved": "http://registry.npm.taobao.org/ansi-styles/download/ansi-styles-2.2.1.tgz",
           "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "assert-plus": {
           "version": "0.2.0",
@@ -6663,6 +6677,7 @@
           "resolved": "http://registry.npm.taobao.org/chalk/download/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-styles": "^2.2.1",
             "escape-string-regexp": "^1.0.2",
@@ -6748,7 +6763,8 @@
           "version": "2.0.0",
           "resolved": "http://registry.npm.taobao.org/supports-color/download/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "tunnel-agent": {
           "version": "0.4.3",
diff --git a/3d-models-project/graphics-models-frontend/package.json b/3d-models-project/graphics-models-frontend/package.json
index 30af9b4..afc6d91 100644
--- a/3d-models-project/graphics-models-frontend/package.json
+++ b/3d-models-project/graphics-models-frontend/package.json
@@ -14,7 +14,7 @@
     "@angular/animations": "^6.0.3",
     "@angular/common": "^6.0.3",
     "@angular/compiler": "^6.0.3",
-    "@angular/core": "^6.0.3",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^6.0.3",
     "@angular/http": "^6.0.3",
     "@angular/platform-browser": "^6.0.3",