diff --git a/package.json b/package.json
index f881f90..c505aa4 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
   "devDependencies": {
     "benchmark": "^2.1.0",
     "coveralls": "^2.13.3",
-    "nyc": "^14.1.1",
+    "nyc": "^15.0.1",
     "mocha": "^6.1.1",
     "standard": "^11.0.1"
   },