diff --git a/package.json b/package.json
index bbc1c69..63b138b 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@angular/platform-browser": "8.2.9",
     "@angular/platform-browser-dynamic": "8.2.9",
     "@angular/router": "8.2.9",
-    "core-js": "3.2.1",
+    "core-js": "3.4.5",
     "rxjs": "6.3.3",
     "tslib": "1.9.3",
     "zone.js": "0.10.2"
diff --git a/yarn.lock b/yarn.lock
index 1eef92c..fa96cd0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2511,6 +2511,11 @@ core-js@3.2.1:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.2.1.tgz#cd41f38534da6cc59f7db050fe67307de9868b09"
   integrity sha512-Qa5XSVefSVPRxy2XfUC13WbvqkxhkwB3ve+pgCQveNgYzbM/UxZeu1dcOX/xr4UmfUd+muuvsaxilQzCyUurMw==
 
+core-js@3.4.5:
+  version "3.4.5"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.4.5.tgz#3dda65611d95699b5eb7742ea451ea052d37aa65"
+  integrity sha512-OuvejWH6vIaUo59Ndlh89purNm4DCIy/v3QoYlcGnn+PkYI8BhNHfCuAESrWX+ZPfq9JccVJ+XXgOMy77PJexg==
+
 core-js@^2.4.0:
   version "2.6.5"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.5.tgz#44bc8d249e7fb2ff5d00e0341a7ffb94fbf67895"