diff --git a/package.json b/package.json
index 06f7bac..6fd032f 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "ava": "^0.25.0",
     "coveralls": "^3.0.0",
     "date-fns": "^1.28.3",
-    "nyc": "^11.0.1",
+    "nyc": "^13.3.0",
     "timekeeper": "^2.0.0",
     "xo": "^0.19.0"
   }