diff --git a/package.json b/package.json
index 0be44580..ae66850d 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   "devDependencies": {
     "after": "0.8.1",
     "cookie-parser": "1.3.2",
-    "istanbul": "0.2.16",
+    "istanbul": "0.3.0",
     "express": "~4.4.0",
     "mocha": "~1.20.1",
     "should": "~4.0.4",