diff --git a/test/fixtures/qs-package/node_modules/jodid25519/package.json b/test/fixtures/qs-package/node_modules/jodid25519/package.json
index a27e7e13e6..af9f3f68a8 100644
--- a/test/fixtures/qs-package/node_modules/jodid25519/package.json
+++ b/test/fixtures/qs-package/node_modules/jodid25519/package.json
@@ -57,7 +57,7 @@
     "chai": "^3.0.0",
     "dateformat": "~1.0.7-1.2.3",
     "ibrik": "~2.0.0",
-    "istanbul": "~0.3.5",
+    "istanbul": "~0.4.5",
     "jsdoc": "<=3.3.0",
     "mocha": "~2.0.1",
     "sinon": "~1.10.3",