diff --git a/package.json b/package.json
index fad80f6..ded4978 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "babel-cli": "^6.4.5",
     "babel-preset-es2015": "^6.3.13",
     "faucet": "^0.0.1",
-    "nyc": "^6.4.4",
+    "nyc": "^8.4.0",
     "standard": "^7.0.0",
     "tape": "^4.5.1",
     "webcoin-param-tests": "^1.0.0",