diff --git a/package-lock.json b/package-lock.json
index 0a8782a..e4d5f01 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,12 +34,20 @@
       }
     },
     "@angular/core": {
-      "version": "4.4.6",
-      "resolved": "https://registry.npmjs.org/@angular/core/-/core-4.4.6.tgz",
-      "integrity": "sha1-EwMf0Q3P5DiHVBmzjyESCVi8I1Q=",
+      "version": "11.0.5",
+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-11.0.5.tgz",
+      "integrity": "sha512-XAXWQi7R3ucZXQwx9QK5jSKJeQyRJ53u2dQDpr7R5stzeCy1a5hrNOkZLg9zOTTPcth/6+FrOrRZP9SMdxtw3w==",
       "dev": true,
       "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==",
+          "dev": true
+        }
       }
     },
     "@angular/forms": {
diff --git a/package.json b/package.json
index a00b8bd..db587ba 100644
--- a/package.json
+++ b/package.json
@@ -61,14 +61,14 @@
   },
   "peerDependencies": {
     "@angular/common": "^4.0.0",
-    "@angular/core": "^4.0.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^4.0.0"
   },
   "devDependencies": {
     "@angular/common": "^4.0.0",
     "@angular/compiler": "^4.0.0",
     "@angular/compiler-cli": "^4.0.0",
-    "@angular/core": "^4.0.0",
+    "@angular/core": "^11.0.5",
     "@angular/forms": "^4.0.0",
     "@angular/platform-browser": "^4.0.0",
     "@angular/platform-browser-dynamic": "^4.0.0",
diff --git a/yarn.lock b/yarn.lock
index 6d8c4da..422f0c0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -22,11 +22,11 @@
   dependencies:
     tslib "^1.7.1"
 
-"@angular/core@^4.0.0":
-  version "4.4.4"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-4.4.4.tgz#bd37ecf54158f97489996c9386bd222f80a32f5c"
+"@angular/core@^11.0.5":
+  version "11.0.5"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-11.0.5.tgz#b8c448c3cd4f6dae7327cc1ba4ee2aa29c8dbc26"
   dependencies:
-    tslib "^1.7.1"
+    tslib "^2.0.0"
 
 "@angular/forms@^4.0.0":
   version "4.4.6"
@@ -5781,6 +5781,10 @@ tslib@^1.7.1:
   version "1.7.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.7.1.tgz#bc8004164691923a79fe8378bbeb3da2017538ec"
 
+tslib@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+
 tslint@^5.2.0:
   version "5.7.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.7.0.tgz#c25e0d0c92fa1201c2bc30e844e08e682b4f3552"