diff --git a/package.json b/package.json
index 15ef0ba86cf..9d0e82549d3 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "eslint": "^2.5.0",
     "metrics": "^0.1.9",
     "mocha": "^2.3.2",
-    "nyc": "^6.0.0",
+    "nyc": "^6.4.3",
     "tcp-port-used": "^0.1.2",
     "uuid": "^2.0.1",
     "win-spawn": "^2.0.0"