diff --git a/package.json b/package.json
index c530ebefce..321c03536f 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "grunt-mocha-istanbul": "3.0.1",
     "grunt-shell": "1.1.2",
     "grunt-update-submodules": "0.4.1",
-    "istanbul": "0.4.1",
+    "istanbul": "0.4.2",
     "jscs-jsdoc": "1.2.0",
     "matchdep": "0.3.0",
     "nock": "2.3.0",