diff --git a/package-lock.json b/package-lock.json
index dbd2c3c..5339b2f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -455,9 +455,19 @@
       }
     },
     "@angular/core": {
-      "version": "9.1.11",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-9.1.11.tgz",
-      "integrity": "sha512-KAlEedBo761O1aeoTJVziOSHi8Fttk9ipvbDZXYT/o0W/KdVwubxP34g9t5aD8LCcF8+L0z4VLw++HjdJAUpwg=="
+      "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"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.4.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+          "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ=="
+        }
+      }
     },
     "@angular/forms": {
       "version": "9.1.11",
@@ -2189,6 +2199,15 @@
         "zen-observable-ts": "^0.8.21"
       }
     },
+    "apollo-link-context": {
+      "version": "1.0.20",
+      "resolved": "https://registry.npmjs.org/apollo-link-context/-/apollo-link-context-1.0.20.tgz",
+      "integrity": "sha512-MLLPYvhzNb8AglNsk2NcL9AvhO/Vc9hn2ZZuegbhRHGet3oGr0YH9s30NS9+ieoM0sGT11p7oZ6oAILM/kiRBA==",
+      "requires": {
+        "apollo-link": "^1.2.14",
+        "tslib": "^1.9.3"
+      }
+    },
     "apollo-utilities": {
       "version": "1.3.4",
       "resolved": "https://registry.npmjs.org/apollo-utilities/-/apollo-utilities-1.3.4.tgz",
diff --git a/package.json b/package.json
index 0d1c728..d9d6771 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "@angular/animations": "~9.1.11",
     "@angular/common": "~9.1.11",
     "@angular/compiler": "~9.1.11",
-    "@angular/core": "~9.1.11",
+    "@angular/core": "~11.0.5",
     "@angular/forms": "~9.1.11",
     "@angular/platform-browser": "~9.1.11",
     "@angular/platform-browser-dynamic": "~9.1.11",
diff --git a/yarn.lock b/yarn.lock
index 0f379fe..764c34d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -176,10 +176,12 @@
   resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-9.1.11.tgz#4c7100f53c87f47e793e149427b8bdee44302381"
   integrity sha512-MbVheCG0U8gt6xtiipau20N26mD2sXjLChVmRKgO6rbDruxboNMZfEd94q9NP9JRaUsVnjXvY7GMDldoymdXig==
 
-"@angular/core@~9.1.11":
-  version "9.1.11"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-9.1.11.tgz#7a92d27292212ed381be15f9000d4019867f1c7c"
-  integrity sha512-KAlEedBo761O1aeoTJVziOSHi8Fttk9ipvbDZXYT/o0W/KdVwubxP34g9t5aD8LCcF8+L0z4VLw++HjdJAUpwg==
+"@angular/core@~11.0.5":
+  version "11.0.5"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-11.0.5.tgz#b8c448c3cd4f6dae7327cc1ba4ee2aa29c8dbc26"
+  integrity sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==
+  dependencies:
+    tslib "^2.0.0"
 
 "@angular/forms@~9.1.11":
   version "9.1.11"
@@ -8237,6 +8239,11 @@ tslib@^1.10.0, tslib@^1.11.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
   integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
 
+tslib@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
+
 tslint@~6.1.0:
   version "6.1.2"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.1.2.tgz#2433c248512cc5a7b2ab88ad44a6b1b34c6911cf"