diff --git a/package.json b/package.json
index ebdff17..2366785 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "jshint": "^2.8.0",
     "minify": "^2.0.4",
     "npm-run-all": "^1.2.12",
-    "nyc": "^6.1.1",
+    "nyc": "^6.4.4",
     "rimraf": "^2.4.3",
     "tape": "^4.2.0"
   },