diff --git a/package.json b/package.json
index a4a64be..37886dd 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "coveralls": "^3.0.6",
     "folderify2": "^2.0.0",
     "include-folder": "^1.0.0",
-    "nyc": "^14.1.1",
+    "nyc": "^15.1.0",
     "tape": "^4.2.0",
     "tape-run": "^7.0.0"
   },