diff --git a/package.json b/package.json
index 7b5ad68..057c968 100644
--- a/package.json
+++ b/package.json
@@ -87,7 +87,7 @@
     "babel-plugin-external-helpers": "6.22.0",
     "babel-plugin-istanbul": "3.1.2",
     "babel-plugin-transform-es2015-modules-umd": "6.22.0",
-    "babel-polyfill": "6.22.0",
+    "babel-polyfill": "6.26.0",
     "babel-preset-es2015": "6.22.0",
     "babel-preset-stage-0": "6.22.0",
     "babel-register": "6.22.0",