diff --git a/package.json b/package.json
index 1ddedfb..003c291 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "author": "edge <functaire@gmail.com>",
   "license": "MIT",
   "devDependencies": {
-    "@angular/core": "^4.1.3",
+    "@angular/core": "^10.2.5",
     "rxjs": "^5.4.0",
     "typescript": "^2.3.4",
     "zone.js": "^0.8.11"
diff --git a/yarn.lock b/yarn.lock
index ed03109..7f6d719 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,9 +2,11 @@
 # yarn lockfile v1
 
 
-"@angular/core@^4.1.3":
-  version "4.1.3"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-4.1.3.tgz#285498eb86ab7d0b6f982f8f9f487ef610013b35"
+"@angular/core@^10.2.5":
+  version "10.2.5"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-10.2.5.tgz#2050b0dbb180aa98c2ec46bba6d4827565ba2a2d"
+  dependencies:
+    tslib "^2.0.0"
 
 rxjs@^5.4.0:
   version "5.4.0"
@@ -16,6 +18,10 @@ symbol-observable@^1.0.1:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.0.4.tgz#29bf615d4aa7121bdd898b22d4b3f9bc4e2aa03d"
 
+tslib@^2.0.0:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.6.2.tgz#703ac29425e7b37cd6fd456e92404d46d1f3e4ae"
+
 typescript@^2.3.4:
   version "2.3.4"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.3.4.tgz#3d38321828231e434f287514959c37a82b629f42"