diff --git a/package.json b/package.json
index e5b706f..c79fec8 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "coveralls": "^2.11.12",
     "kew": "~0.7.0",
     "mocha": "^3.0.2",
-    "nyc": "^8.1.0",
+    "nyc": "^9.0.1",
     "q": "~1.4.1",
     "rsvp": "^3.2.1",
     "sinon": "1.17.6",