diff --git a/package-lock.json b/package-lock.json
index 1e3f8bdd..4f8e4605 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1633,25 +1633,6 @@
         "babel-types": "^6.24.1"
       }
     },
-    "babel-polyfill": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-polyfill/-/babel-polyfill-6.26.0.tgz",
-      "integrity": "sha1-N5k3q8Z9eJWXCtxiHyhM2WbPIVM=",
-      "dev": true,
-      "requires": {
-        "babel-runtime": "^6.26.0",
-        "core-js": "^2.5.0",
-        "regenerator-runtime": "^0.10.5"
-      },
-      "dependencies": {
-        "regenerator-runtime": {
-          "version": "0.10.5",
-          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz",
-          "integrity": "sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=",
-          "dev": true
-        }
-      }
-    },
     "babel-preset-env": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/babel-preset-env/-/babel-preset-env-1.7.0.tgz",
@@ -4634,10 +4615,9 @@
       }
     },
     "core-js": {
-      "version": "2.5.6",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.6.tgz",
-      "integrity": "sha512-lQUVfQi0aLix2xpyjrrJEvfuYCqPc/HwmTKsC/VNf8q0zsjX7SQZtp4+oRONN5Tsur9GDETPjj+Ub2iDiGZfSQ==",
-      "dev": true
+      "version": "2.5.7",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.7.tgz",
+      "integrity": "sha512-RszJCAxg/PP6uzXVXL6BsxSXx/B05oJAQ2vkJRjyjrEcNVycaqOmNb5OTxZPE3xa5gwZduqza6L9JOCenh/Ecw=="
     },
     "core-util-is": {
       "version": "1.0.2",