diff --git a/package.json b/package.json
index c9d56ab..6a4c23e 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "gulp-load-plugins": "^1.2.0",
     "gulp-mocha": "^2.1.3",
     "gulp-shell": "^0.5.0",
-    "istanbul": "^0.4.2",
+    "istanbul": "^0.4.4",
     "jshint": "^2.9.1",
     "jshint-stylish": "^2.0.1",
     "mocha": "^2.3.3",