diff --git a/package.json b/package.json
index 98db439..f42764b 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "concurrently": "4.1.0",
     "fastify": "1.13.1",
     "mocha": "5.2.0",
-    "nyc": "13.1.0",
+    "nyc": "15.0.0",
     "supertest": "3.3.0",
     "ts-node": "7.0.1",
     "typescript": "3.2.1"