diff --git a/test/fixtures/qs-package/node_modules/mime-types/package.json b/test/fixtures/qs-package/node_modules/mime-types/package.json
index 7e3d527538..79b8cd6543 100644
--- a/test/fixtures/qs-package/node_modules/mime-types/package.json
+++ b/test/fixtures/qs-package/node_modules/mime-types/package.json
@@ -66,7 +66,7 @@
   },
   "description": "The ultimate javascript content-type utility.",
   "devDependencies": {
-    "istanbul": "0.3.9",
+    "istanbul": "0.4.5",
     "mocha": "~1.21.5"
   },
   "directories": {},