diff --git a/package.json b/package.json
index c535317..f1fd7cc 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "babel-polyfill": "^6.2.0",
     "babel-preset-es2015": "^6.1.18",
     "babel-preset-stage-0": "^6.1.18",
-    "babel-runtime": "^6.2.0",
+    "babel-runtime": "^6.6.0",
     "mocha": "^2.3.4",
     "mocha-loader": "^0.7.1",
     "webpack": "^1.12.8",