diff --git a/package.json b/package.json
index f71406d..7d605a1 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   "devDependencies": {
     "chai": "^4.1.2",
     "coveralls": "^3.0.0",
-    "nyc": "^14.0.0",
+    "nyc": "^15.0.0",
     "mocha": "^6.0.0"
   }
 }