diff --git a/package.json b/package.json
index 335657d..413d695 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "expect.js": "~0.3.1",
     "lodash": "~4.11.1",
     "mocha": "~2.4.5",
-    "nyc": "~6.4.2",
+    "nyc": "~6.4.4",
     "proxyquire": "~1.7.4",
     "sinon": "~1.17.3"
   },