diff --git a/package.json b/package.json
index d6a1a95..a5b8b16 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "chai-sorted": "^0.1.0",
     "codecov.io": "^0.1.7",
     "mocha": "^3.0.1",
-    "nyc": "^8.3.2",
+    "nyc": "^10.3.2",
     "xo": "^0.17.0"
   },
   "xo": {