diff --git a/package.json b/package.json
index 5b143de..a4dce5f 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
   "devDependencies": {
     "babel": "^5.4.7",
     "babel-eslint": "^4.1.3",
-    "babel-istanbul": "^0.4.0",
+    "babel-istanbul": "^0.5.8",
     "babelify": "^6.1.2",
     "chokidar-cli": "^1.0.1",
     "codecov.io": "^0.1.2",