diff --git a/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/q/package.json b/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/q/package.json
index d8a9a9e87c..40efdb04c7 100644
--- a/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/q/package.json
+++ b/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/q/package.json
@@ -48,7 +48,7 @@
     "jasminum": ">=2.0.5 <3.0.0",
     "opener": "^1.3.0",
     "promises-aplus-tests": "^1.0.2",
-    "istanbul": "^0.2.4",
+    "istanbul": "^0.4.5",
     "matcha": "^0.2.0",
     "grunt": "^0.4.1",
     "grunt-cli": "^0.1.9",