diff --git a/package.json b/package.json
index 4d4962c..faa6bb7 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "mocha": "^5.2.0",
     "nodemon": "^1.18.9",
     "npm-run-all": "^4.1.5",
-    "nyc": "^13.1.0",
+    "nyc": "^15.1.0",
     "pre-commit": "^1.2.2",
     "rimraf": "^2.6.3",
     "sinon": "^7.2.3",