diff --git a/package-lock.json b/package-lock.json
index 3086102..d9dab1c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -84,9 +84,12 @@
       }
     },
     "@angular/core": {
-      "version": "2.4.3",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-2.4.3.tgz",
-      "integrity": "sha1-pyoTu58BZZuDiFWM1uOlcKhDSxw="
+      "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": "2.4.3",
@@ -4860,10 +4863,11 @@
       "integrity": "sha1-6vQ5/U1ISK105cx9vvIAZyueNFs="
     },
     "debug": {
-      "version": "https://registry.npmjs.org/debug/-/debug-2.6.1.tgz",
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.1.tgz",
       "integrity": "sha1-eYVQkLosTjEVzH2HaUkdWPBJE1E=",
       "requires": {
-        "ms": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz"
+        "ms": "0.7.2"
       }
     },
     "deep-extend": {
@@ -8027,7 +8031,8 @@
       }
     },
     "ms": {
-      "version": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
       "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U="
     },
     "mute-stream": {
@@ -10276,7 +10281,7 @@
       "integrity": "sha1-QrlWCTHKcJDOhRWnmLqeaqPW3Hk=",
       "requires": {
         "css-parse": "1.7.0",
-        "debug": "https://registry.npmjs.org/debug/-/debug-2.6.1.tgz",
+        "debug": "2.6.1",
         "glob": "7.0.6",
         "mkdirp": "0.5.1",
         "sax": "0.5.8",
@@ -10641,6 +10646,11 @@
         }
       }
     },
+    "tslib": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+      "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+    },
     "tty-browserify": {
       "version": "0.0.0",
       "resolved": "https://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.0.tgz",
diff --git a/package.json b/package.json
index a308d8e..e997d83 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "@angular/common": "2.4.3",
     "@angular/compiler": "2.4.3",
     "@angular/compiler-cli": "2.4.3",
-    "@angular/core": "2.4.3",
+    "@angular/core": "11.0.5",
     "@angular/forms": "^2.4.3",
     "@angular/http": "2.4.3",
     "@angular/platform-browser": "2.4.3",