diff --git a/package-lock.json b/package-lock.json
index d324225..9d52337 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3093,9 +3093,9 @@
       "dev": true
     },
     "core-js": {
-      "version": "2.5.3",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.3.tgz",
-      "integrity": "sha1-isw4NFgk8W2DZbfJtCWRaOjtYD4="
+      "version": "2.5.6",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.6.tgz",
+      "integrity": "sha512-lQUVfQi0aLix2xpyjrrJEvfuYCqPc/HwmTKsC/VNf8q0zsjX7SQZtp4+oRONN5Tsur9GDETPjj+Ub2iDiGZfSQ=="
     },
     "core-util-is": {
       "version": "1.0.2",