diff --git a/package-lock.json b/package-lock.json
index 2320e6fa..9df295a0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2355,9 +2355,9 @@
       }
     },
     "core-js": {
-      "version": "2.5.3",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.3.tgz",
-      "integrity": "sha1-isw4NFgk8W2DZbfJtCWRaOjtYD4="
+      "version": "2.5.4",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.4.tgz",
+      "integrity": "sha1-8si/GB8qgLkvNgEhQpzmOi8K6uA="
     },
     "core-object": {
       "version": "3.1.5",
diff --git a/package.json b/package.json
index 02051eaa..b6dbc52b 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "@angular/router": "5.2.9",
     "@ctrl/ngx-github-buttons": "1.0.9",
     "bootstrap": "4.0.0",
-    "core-js": "2.5.3",
+    "core-js": "2.5.4",
     "rxjs": "5.5.8",
     "zone.js": "0.8.20"
   },