diff --git a/package.json b/package.json
index bef0ff5..c405e1c 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   },
   "devDependencies": {
     "coveralls": "^3.0.1",
-    "nyc": "12.0.2",
+    "nyc": "15.0.1",
     "standard": "^11.0.1",
     "tape": "^4.9.0"
   },