diff --git a/package.json b/package.json
index 866cc78..151c95c 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@angular/animations": "^4.2.4",
     "@angular/common": "^4.2.4",
     "@angular/compiler": "^4.2.4",
-    "@angular/core": "^4.2.4",
+    "@angular/core": "^20.3.25",
     "@angular/forms": "^4.2.4",
     "@angular/http": "^4.2.4",
     "@angular/platform-browser": "^4.2.4",
diff --git a/yarn.lock b/yarn.lock
index 9ca9160..f7d6982 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -105,11 +105,11 @@
   dependencies:
     tslib "^1.7.1"
 
-"@angular/core@^4.2.4":
-  version "4.4.3"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-4.4.3.tgz#e71d2b07beaacbab48ab7f51d4e2286ea5d70e15"
+"@angular/core@^20.3.25":
+  version "20.3.25"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-20.3.25.tgz#4418a9625a8a152029b49158dbda01f1c83d19c0"
   dependencies:
-    tslib "^1.7.1"
+    tslib "^2.3.0"
 
 "@angular/forms@^4.2.4":
   version "4.4.3"
@@ -5483,6 +5483,10 @@ tslib@^1.6.0, tslib@^1.7.1:
   version "1.7.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.7.1.tgz#bc8004164691923a79fe8378bbeb3da2017538ec"
 
+tslib@^2.3.0:
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.8.1.tgz#612efe4ed235d567e8aba5f2a5fab70280ade83f"
+
 tslint@~5.3.2:
   version "5.3.2"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.3.2.tgz#e56459fb095a7307f103b84052174f5e3bbef6ed"